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137,707,516
null
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2012-09-26 20:13:50
2012-09-26 20:14:04.395
algebra
1
0
0
0
--- - - start - 1348704830027 - "910285" - - answer - 4426 - false - "1" - - - answer - 14379 - true - "0" - - - end
2
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tutor
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1
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null
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2012-09-26 15:13:31
2012-09-26 15:14:24.113
algebra
1
1
0
0
--- - - start - 1348686811498 - "911103" - - answer - 53102 - true - "2.75" - - - end
1
53,102
tutor
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LinearSection
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null
2.75
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0
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140,245,818
null
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2012-12-13 13:35:17
2012-12-13 13:35:29.658
choose_1
1
1
0
0
--- - - start - 1355423717548 - "926393" - - answer - 12655 - true - D. Weight - - - end
1
12,655
tutor
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LinearSection
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D. Weight
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0
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141,165,639
null
630,900
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686,612
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2013-01-24 09:17:47
2013-01-24 09:20:13.686
algebra
1
1
0
0
--- - - start - 1359037067239 - "1368967" - - answer - 146609 - true - -2x-5 - - - end
1
146,609
tutor
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LinearSection
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null
-2x-5
0
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141,194,046
null
531,285
92,723
686,614
322,084
2013-01-24 16:17:56
2013-01-24 16:18:03.906
algebra
1
1
0
0
--- - - start - 1359062276060 - "908510" - - answer - 7886 - true - -4X+7 - - - end
1
7,886
tutor
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LinearSection
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null
-4X+7
0
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0.361323
0
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0.173913
142,597,321
null
659,771
92,723
748,096
415,065
2013-03-18 08:31:27
2013-03-18 08:31:36.536
algebra
1
1
0
0
--- - - start - 1363609887897 - "1562213" - - answer - 9417 - true - "4" - - - end
1
9,417
tutor
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RandomChildOrderSection
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null
4
0
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0.361323
0
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0.22695
144,683,124
null
535,620
92,723
798,068
325,542
2013-05-09 17:44:48
2013-05-09 17:44:56.881
algebra
1
1
0
0
--- - - start - 1368135888118 - "915528" - - answer - 8778 - true - "-17" - - - end
1
8,778
tutor
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LinearSection
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null
-17
0
144,683,124
0.361323
0
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141,633,462
D.4.8-understanding-concept-of-probabilities
75,239
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702,297
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2013-02-06 17:13:06
2013-02-06 17:13:22.048
fill_in_1
1
1
0
0
--- - - start - 1360188786661 - "1418630" - - answer - 16030 - true - "6" - - - end
1
16,030
tutor
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LinearSection
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6
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0
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143,217,370
null
445,483
92,724
769,743
260,865
2013-04-08 19:33:00
2013-04-08 19:33:56.988
algebra
1
1
0
0
--- - - start - 1365463980919 - "787448" - - answer - 56942 - true - "4480" - - - end
1
56,942
tutor
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null
4480
0
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0
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0
138,306,962
null
571,034
92,728
576,876
351,697
2012-10-15 08:16:34
2012-10-15 08:16:48.138
algebra
1
1
0
0
--- - - start - 1350303394972 - "1001824" - - answer - 14132 - true - 8-8 - - - end
1
14,132
tutor
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LinearSection
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null
8-8
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138,306,962
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142,159,609
Proportion
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2013-03-01 11:23:04
2013-03-01 11:23:57.783
algebra
1
1
0
0
--- - - start - 1362154984709 - "1513038" - - answer - 53765 - true - "4.3" - - - end
1
53,765
tutor
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RandomChildOrderSection
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4.3
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141,603,464
null
639,389
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2013-02-06 09:36:23
2013-02-06 09:36:31.496
choose_1
1
1
0
0
--- - - start - 1360161383294 - "1421131" - - answer - 8494 - true - A. gets weaker - - - end
1
8,494
tutor
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LinearSection
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A. gets weaker
0
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Perimeter of a Polygon
171,594
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2012-10-09 17:43:45
2012-10-09 17:44:11.441
algebra
1
0
0
0
--- - - start - 1349819025818 - "996934" - - answer - 26421 - false - "49" - - - end
1
26,421
tutor
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49
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0
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143,534,600
Solving for a variable
55,098
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2013-04-20 17:35:23
2013-04-20 17:36:02.702
algebra
1
1
0
0
--- - - start - 1366493723204 - "1653948" - - answer - 39641 - true - "2" - - - end
1
39,641
tutor
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2
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143,795,939
null
679,938
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2013-04-25 08:18:42
2013-04-25 08:18:53.33
algebra
1
0
1
1
--- - - start - 1366892322173 - "1672298" - - answer - 6333 - false - "15" - - - hint - 9126 - - answer - 11313 - true - "30" - - - end
2
6,333
tutor
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LinearSection
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null
15
0
143,795,939
0.50928
0
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null
57,359
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2012-12-13 10:09:24
2012-12-13 10:09:45.848
choose_1
1
1
0
0
--- - - start - 1355411364953 - "926377" - - answer - 21840 - true - A. 2 m/s - - - end
1
21,840
tutor
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LinearSection
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A. 2 m/s
0
140,232,014
0.361323
0
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null
618,158
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2012-12-19 09:40:36
2012-12-19 09:40:54.864
choose_1
1
1
0
0
--- - - start - 1355928036012 - "1250994" - - answer - 18848 - true - "3" - - - end
1
18,848
tutor
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LinearSection
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null
3
0
140,403,650
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0
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null
618,170
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2012-12-19 09:47:04
2012-12-19 09:47:16.11
choose_1
1
1
0
0
--- - - start - 1355928424447 - "1251000" - - answer - 12106 - true - "2" - - - end
1
12,106
tutor
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null
2
0
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0
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null
537,453
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2013-01-22 11:42:40
2013-01-22 11:43:07.759
choose_1
1
1
0
0
--- - - start - 1358872960033 - "918010" - - answer - 27749 - true - A. 12 - - - end
1
27,749
tutor
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A. 12
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140,573,913
Mean
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2013-01-03 16:24:29
2013-01-03 16:24:50.858
algebra
1
1
0
0
--- - - start - 1357248269642 - "1282679" - - answer - 21851 - true - "11" - - - end
1
21,851
tutor
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11
0
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null
537,455
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2013-01-22 12:04:53
2013-01-22 12:05:31.43
choose_1
1
1
0
0
--- - - start - 1358874293496 - "918012" - - answer - 38413 - true - B. 3 - - - end
1
38,413
tutor
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LinearSection
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B. 3
0
141,085,915
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144,597,874
Point Plotting
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92,768
796,355
59,865
2013-05-08 17:04:04
2013-05-08 17:04:21.072
choose_1
1
1
0
0
--- - - start - 1368047044425 - "1705358" - - answer - 17062 - true - Quadrant III - - - end
1
17,062
tutor
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LinearSection
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Quadrant III
0
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0
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null
72,757
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2012-09-05 12:42:18
2012-09-05 12:42:39.877
choose_1
1
1
0
0
--- - - start - 1346863338433 - "926370" - - answer - 21876 - true - B. 490 km/h W - - - end
1
21,876
tutor
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B. 490 km/h W
0
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0
141,082,902
null
537,212
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326,773
2013-01-22 11:35:39
2013-01-22 11:35:46.159
choose_1
1
1
0
0
--- - - start - 1358872539965 - "917620" - - answer - 7157 - true - C. 100 - - - end
1
7,157
tutor
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C. 100
0
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0.361323
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null
639,379
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704,983
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2013-02-06 09:19:19
2013-02-06 09:19:50.703
choose_1
1
1
0
0
--- - - start - 1360160359950 - "1420878" - - answer - 31701 - true - C. Newton - - - end
1
31,701
tutor
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C. Newton
0
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Distributive Property
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587,333
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2013-01-11 12:10:49
2013-01-11 12:11:02.72
fill_in_1
1
1
0
0
--- - - start - 1357924249891 - "329999" - - answer - 13718 - true - 80m+80 - - - end
1
13,718
tutor
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MasterySection
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80m+80
0
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0.361323
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0.766925
0
141,218,499
null
531,234
92,774
686,614
322,082
2013-01-25 09:17:16
2013-01-25 09:17:28.07
algebra
1
0
1
2
--- - - start - 1359123436475 - "908508" - - answer - 4884 - false - "-7" - - - hint - 6797 - - hint - 8279 - - answer - 12059 - true - "-2" - - - end
2
4,884
tutor
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null
-7
0
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0
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0.16748
138,681,720
null
537,056
92,776
587,042
326,678
2012-10-23 18:44:24
2012-10-23 18:46:02.499
algebra
1
1
0
0
--- - - start - 1351032264430 - "917378" - - answer - 98489 - true - "2.5" - - - end
1
98,489
tutor
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LinearSection
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null
2.5
0
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0.361323
0
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0.762689
138,797,484
null
394,479
92,776
591,781
224,506
2012-10-25 15:06:34
2012-10-25 15:14:48.425
algebra
1
0
1
1
--- - - start - 1351191994022 - "690399" - - answer - 462177 - false - 2x+8 - - - answer - 483076 - false - x + x + 8 - - - answer - 483633 - false - x + x + 8 - - - hint - 485443 - - answer - 494407 - true - x+8 - - - end
4
462,177
tutor
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LinearSection
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462,177
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null
2x+8
0
138,797,484
0.361323
0
0.766925
0.442968
140,389,128
null
536,801
92,776
644,346
326,452
2012-12-18 17:36:42
2012-12-18 17:36:55.682
choose_1
1
1
0
0
--- - - start - 1355870202657 - "916942" - - answer - 13678 - true - wider - - - end
1
13,678
tutor
51,589
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105
LinearSection
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wider
0
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0.805195
0
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0
141,693,819
null
639,739
92,776
708,333
400,748
2013-02-08 13:19:28
2013-02-08 13:19:42.13
algebra
1
0
1
1
--- - - start - 1360347568085 - "1423846" - - hint - 7329 - - answer - 9942 - false - "6" - - - answer - 10122 - false - "6" - - - answer - 14114 - true - .6 - - - end
3
7,329
tutor
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146
LinearSection
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7,329
400,748
null
null
1
141,693,819
0.361323
0
0.766925
0.697987
139,026,608
null
394,481
92,777
591,781
224,508
2012-11-02 13:09:04
2012-11-02 13:09:15.035
algebra
1
1
0
0
--- - - start - 1351876144465 - "690401" - - answer - 11028 - true - x+3 - - - end
1
11,028
tutor
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67
LinearSection
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68,444
5,450
11,028
224,508
null
x+3
0
139,026,608
0.361323
0
0.766925
0
139,882,904
Unit Conversion Within a System
124,206
92,777
630,325
65,551
2012-12-03 15:31:10
2012-12-03 15:31:56.197
algebra
1
1
0
0
--- - - start - 1354566670506 - "1194315" - - answer - 46187 - true - "180" - - - end
1
46,187
tutor
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22,755
1,211
LinearSection
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5,450
46,187
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null
180
0
139,882,904
0.361323
0
0.766925
0.173913
140,353,153
null
617,363
92,777
646,334
385,306
2012-12-17 19:14:09
2012-12-17 19:14:16.937
choose_1
1
0
0
0
--- - - start - 1355789649937 - "1244860" - - answer - 6328 - false - Decrease - - - answer - 7921 - true - Increase - - - end
2
6,328
tutor
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107
LinearSection
102,257
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385,306
null
Decrease
0
140,353,153
0.361323
0
0.766925
0.221484
144,838,432
null
483,031
92,777
800,133
284,751
2013-05-13 20:55:51
2013-05-13 20:55:59.718
algebra
1
1
0
0
--- - - start - 1368492951859 - "852945" - - answer - 8609 - true - "-2" - - - end
1
8,609
tutor
47,656
22,755
206
LinearSection
47,656
null
68,444
5,450
8,609
284,751
null
-2
0
144,838,432
0.361323
0
0.766925
0.442968
137,692,123
Order of Operations +,-,/,* () positive reals
84,593
92,779
566,278
46,405
2012-09-26 14:03:29
2012-09-26 14:03:52.437
algebra
1
0
0
0
--- - - start - 1348682609948 - "83108" - - answer - 9266 - false - "16" - - - answer - 23426 - true - "64" - - - end
2
9,266
tutor
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14
MasterySection
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309
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46,029
null
16
0
137,692,123
0.361323
0
0.766925
0.334959
137,689,164
Conversion of Fraction Decimals Percents
85,828
92,780
566,274
47,310
2012-09-26 13:32:07
2012-09-26 13:32:13.435
algebra
1
1
0
0
--- - - start - 1348680727713 - "72499" - - answer - 6433 - true - 8/100 - - - end
1
6,433
tutor
6,876
22,557
10
MasterySection
6,876
47
71,764
5,450
6,433
29,869
null
8/100
0
137,689,164
0.361323
0
0.766925
0.442968
143,124,675
null
668,507
92,780
767,354
421,733
2013-04-05 11:13:43
2013-04-05 11:14:41.282
choose_1
1
0
0
0
--- - - start - 1365174823614 - "1603368" - - answer - 58269 - false - "It is a small planet that got caught in the Earth\xE2\x80\x99s gravitational pull." - - - end
1
58,269
tutor
59,495
18,314
25
LinearSection
49,105
null
108,810
5,450
58,269
421,733
null
It is a small planet that got caught in the Earth’s gravitational pull.
0
143,124,675
0.361323
0
0.766925
0
138,907,225
Equation Solving Two or Fewer Steps
88,311
92,794
595,688
49,619
2012-10-30 16:02:42
2012-10-30 16:02:59.815
algebra
1
1
0
0
--- - - start - 1351627362774 - "1063180" - - answer - 17810 - true - "1" - - - end
1
17,810
tutor
72,129
22,755
2,455
LinearSection
72,129
311
68,444
5,450
17,810
30,833
null
1
0
138,907,225
0.361323
0
0.766925
0.615385
138,979,901
Division Fractions
218,757
92,794
595,714
112,360
2012-11-01 15:41:13
2012-11-01 15:41:25.804
algebra
1
1
0
0
--- - - start - 1351798873282 - "390310" - - answer - 12789 - true - "1" - - - end
1
12,789
tutor
14,211
22,755
2,452
MasterySection
14,211
61
68,444
5,450
12,789
106,622
null
1
0
138,979,901
0.361323
0
0.766925
0.051613
141,161,946
null
630,902
92,794
686,612
394,370
2013-01-24 08:43:16
2013-01-24 08:45:08.347
algebra
1
1
0
0
--- - - start - 1359034996064 - "1368969" - - answer - 112323 - true - -4/3x-3 - - - end
1
112,323
tutor
128,617
22,755
123
LinearSection
128,617
null
68,444
5,450
112,323
394,370
null
-4/3x-3
0
141,161,946
0.361323
0
0.766925
0.697987
142,654,624
null
662,431
92,794
750,586
417,119
2013-03-20 14:08:26
2013-03-20 14:09:26.789
algebra
1
0
1
3
--- - - start - 1363802906871 - "1574522" - - answer - 47147 - false - "0.25" - - - hint - 49325 - - hint - 51881 - - hint - 53448 - - answer - 60713 - true - 1/16 - - - end
2
47,147
tutor
167,285
22,755
172
LinearSection
167,285
null
68,444
5,450
47,147
417,119
null
0.25
0
142,654,624
0.361323
0
0.766925
0.399764
137,764,639
Equation Solving Two or Fewer Steps
87,615
92,795
565,626
48,935
2012-09-28 08:21:01
2012-09-28 08:22:43.204
algebra
1
0
0
0
--- - - start - 1348834861873 - "74425" - - answer - 53108 - false - "-35" - - - answer - 102186 - true - "5" - - - end
2
53,108
tutor
6,922
22,755
31
MasterySection
6,922
311
68,444
5,450
53,108
46,277
null
-35
0
137,764,639
0.775
0
0.766925
0
141,574,207
null
638,343
92,795
702,992
399,656
2013-02-05 13:50:27
2013-02-05 13:50:56.209
algebra
1
1
0
0
--- - - start - 1360090227981 - "1415731" - - answer - 29122 - true - "6.7" - - - end
1
29,122
tutor
138,361
22,755
139
LinearSection
138,361
null
68,444
5,450
29,122
399,656
null
6.7
0
141,574,207
0.361323
0
0.766925
0.285714
144,308,843
null
683,299
92,795
791,965
431,742
2013-05-03 09:53:41
2013-05-03 09:54:01.84
choose_1
1
0
0
0
--- - - start - 1367589221436 - "1693959" - - answer - 18806 - false - C - - - answer - 20830 - true - B - - - end
2
18,806
tutor
188,037
22,755
200
LinearSection
188,037
null
68,444
5,450
18,806
431,742
null
C
0
144,308,843
0.361323
0
0.766925
0.221484
139,328,198
Area Rectangle
169,726
92,796
610,800
91,440
2012-11-13 17:38:20
2012-11-13 17:38:55.613
algebra
1
0
0
0
--- - - start - 1352846300488 - "1120502" - - answer - 35566 - false - "64" - - - end
1
35,566
tutor
80,740
22,755
1,897
LinearSection
80,740
296
68,444
5,450
35,566
60,100
null
64
0
139,328,198
0.361323
0
0.766925
0.442968
141,272,039
Order of Operations +,-,/,* () positive reals
84,609
92,796
692,506
46,421
2013-01-27 19:24:14
2013-01-27 19:24:32.903
algebra
1
1
0
0
--- - - start - 1359332654647 - "1387415" - - answer - 18887 - true - "13" - - - end
1
18,887
tutor
132,837
22,755
0
LinearSection
132,837
309
68,444
5,450
18,887
45,804
null
13
0
141,272,039
0.361323
0
0.766925
0
141,272,062
Scientific Notation
188,895
92,796
692,515
98,990
2013-01-27 19:24:54
2013-01-27 19:24:57.878
algebra
1
0
0
0
--- - - start - 1359332694302 - "1387429" - - answer - 3874 - false - "3" - - - end
1
3,874
tutor
132,841
22,755
0
LinearSection
132,841
82
68,444
5,450
3,874
30,809
null
3
0
141,272,062
0.361323
0
0.766925
0
142,784,977
null
409,468
92,796
735,273
235,900
2013-03-26 08:57:45
2013-03-26 08:57:51.412
choose_1
1
0
0
0
--- - - start - 1364302665450 - "713626" - - answer - 1846 - false - 9b - 12 - - - answer - 3710 - false - 15b + -2 - - - answer - 4982 - false - "b\xC2\xB2 - 15b + -2" - - - answer - 6406 - true - "b\xC2\xB2 + 9b + 12" - - - end
4
1,846
tutor
37,980
22,755
167
MasterySection
37,980
null
68,444
5,450
1,846
233,799
null
9b - 12
0
142,784,977
0.361323
0
0.766925
0.388964
137,756,729
null
532,389
92,799
566,284
323,106
2012-09-27 20:23:01
2012-09-27 20:23:48.552
algebra
1
1
0
0
--- - - start - 1348791781177 - "911096" - - answer - 47536 - true - "1" - - - end
1
47,536
tutor
51,171
22,755
36
LinearSection
51,171
null
68,444
5,450
47,536
323,106
null
1
0
137,756,729
0.361323
0
0.766925
0.442968
137,913,801
null
560,520
92,799
567,833
343,890
2012-10-02 20:06:25
2012-10-02 20:06:37.484
algebra
1
1
0
0
--- - - start - 1349222785187 - "966987" - - answer - 12468 - true - "-6" - - - end
1
12,468
tutor
56,482
22,755
39
LinearSection
56,482
null
68,444
5,450
12,468
343,890
null
-6
0
137,913,801
0.361323
0
0.766925
0
139,866,888
Range
217,708
92,799
602,194
111,966
2012-12-03 10:29:31
2012-12-03 10:29:41.236
algebra
0
1
0
0
--- - - start - 1354548571671 - "158431" - - answer - 10228 - true - "30" - - - end
1
10,228
tutor
14,157
22,755
78
MasterySection
14,157
15
68,444
5,450
10,228
30,370
null
30
0
139,866,888
0.361323
0
0.766925
0.912281
140,671,299
null
536,762
92,799
644,346
326,451
2013-01-07 14:34:59
2013-01-07 14:35:09.19
choose_1
1
0
0
0
--- - - start - 1357587299811 - "916941" - - answer - 8700 - false - Down - - - answer - 10188 - true - Up - - - end
2
8,700
tutor
51,589
22,755
105
LinearSection
51,589
null
68,444
5,450
8,700
326,451
null
Down
0
140,671,299
0.361323
0
0.766925
0.364341
144,336,410
null
683,532
92,799
793,127
431,935
2013-05-03 13:58:40
2013-05-03 14:01:38.435
choose_1
1
1
0
0
--- - - start - 1367603920496 - "1695670" - - answer - 178427 - true - H - - - end
1
178,427
tutor
188,473
22,755
203
LinearSection
188,473
null
68,444
5,450
178,427
431,935
null
H
0
144,336,410
0.361323
0
0.766925
0
140,005,820
Percent Of
222,014
92,800
620,561
114,403
2012-12-05 19:29:45
2012-12-05 19:31:01.115
algebra
1
0
1
3
--- - - start - 1354753785128 - "396389" - - answer - 25449 - false - "9.6" - - - answer - 46993 - false - "10" - - - hint - 49158 - - hint - 56724 - - answer - 63740 - false - "666" - - - hint - 66699 - - answer - 75963 - true - "96" - - - end
4
25,449
tutor
14,442
22,755
1,546
MasterySection
14,442
70
68,444
5,450
25,449
40,698
null
9.6
0
140,005,820
0.361323
0
0.766925
0.762689
140,008,205
Square Root
89,681
92,800
633,869
50,767
2012-12-05 20:14:58
2012-12-05 20:15:42.483
choose_1
1
1
0
0
--- - - start - 1354756498758 - "1204898" - - answer - 44468 - true - 8 and 9 - - - end
1
44,468
tutor
94,623
22,755
1,054
LinearSection
94,623
75
68,444
5,450
44,468
47,130
null
8 and 9
0
140,008,205
0.361323
0
0.766925
0
141,268,336
null
632,025
92,800
689,864
395,171
2013-01-27 17:29:22
2013-01-27 17:29:32.825
algebra
1
0
0
0
--- - - start - 1359325762444 - "1376519" - - answer - 4345 - false - "6" - - - answer - 10799 - true - "-6" - - - end
2
4,345
tutor
130,217
22,755
127
LinearSection
130,217
null
68,444
5,450
4,345
395,171
null
6
0
141,268,336
0.361323
0.489474
0.766925
0.364341
141,636,178
Scientific Notation
188,867
92,800
698,729
98,962
2013-02-06 18:09:27
2013-02-06 18:09:32.949
algebra
1
1
0
0
--- - - start - 1360192167128 - "331678" - - answer - 5930 - true - "5" - - - end
1
5,930
tutor
11,893
22,755
0
MasterySection
11,893
82
68,444
5,450
5,930
30,809
null
5
0
141,636,178
0.361323
0
0.766925
0.22695
145,241,938
Solving Systems of Linear Equations by Graphing
128,425
92,800
806,449
69,031
2013-06-04 10:19:56
2013-06-04 10:28:21.244
algebra
1
1
0
0
--- - - start - 1370355596958 - "1742669" - - answer - 505151 - true - "-1" - - - end
1
505,151
tutor
195,245
22,755
0
LinearSection
195,245
378
68,444
5,450
505,151
60,010
null
-1
0
145,241,938
0.361323
0
0.766925
0.442968
137,916,721
null
537,205
92,804
568,332
326,768
2012-10-02 21:14:55
2012-10-02 21:15:29.408
algebra
1
0
1
1
--- - - start - 1349226895905 - "917517" - - answer - 15694 - false - 9-3x - - - answer - 24102 - false - 9-3*x - - - hint - 25720 - - answer - 34365 - true - 3x-9 - - - end
3
15,694
tutor
51,615
22,755
40
LinearSection
51,615
null
68,444
5,450
15,694
326,768
null
9-3x
0
137,916,721
0.361323
0
0.766925
0.22695
140,958,576
Percent Of
221,961
92,804
679,002
114,350
2013-01-16 18:33:19
2013-01-16 18:33:22.736
algebra
1
0
0
0
--- - - start - 1358379199630 - "1347463" - - answer - 3732 - false - "9" - - - end
1
3,732
tutor
124,385
22,755
120
LinearSection
124,385
70
68,444
5,450
3,732
30,907
null
9
0
140,958,576
0.361323
0
0.766925
0.22695
140,959,155
Unit Conversion Within a System
124,226
92,804
679,016
65,561
2013-01-16 18:59:12
2013-01-16 19:00:31.32
algebra
1
0
0
0
--- - - start - 1358380752272 - "1347492" - - answer - 79315 - false - "10500" - - - end
1
79,315
tutor
124,388
22,755
120
LinearSection
124,388
34
68,444
5,450
79,315
60,292
null
10500
0
140,959,155
0.361323
0
0.766925
0.442968
140,960,036
Percent Of
221,937
92,804
679,083
114,326
2013-01-16 19:40:47
2013-01-16 19:40:51.612
algebra
1
0
0
0
--- - - start - 1358383247707 - "1347711" - - answer - 4601 - false - "20" - - - end
1
4,601
tutor
124,431
22,755
120
LinearSection
124,431
70
68,444
5,450
4,601
30,907
null
20
0
140,960,036
0.361323
0
0.766925
0.051613
136,925,551
null
57,339
92,805
558,751
36,700
2012-09-05 12:41:47
2012-09-05 12:42:16.028
choose_1
1
1
0
0
--- - - start - 1346863307339 - "926373" - - answer - 29018 - true - B. 73.0 mL - - - end
1
29,018
tutor
52,498
18,314
7
LinearSection
52,498
null
108,810
5,450
29,018
36,700
null
B. 73.0 mL
0
136,925,551
0.361323
0
0.336529
0.181818
143,105,460
null
668,513
92,805
765,854
421,737
2013-04-05 08:18:41
2013-04-05 08:18:51.169
choose_1
1
1
0
0
--- - - start - 1365164321619 - "1603372" - - answer - 10165 - true - Ellipse - - - end
1
10,165
tutor
59,495
18,314
23
LinearSection
49,105
null
108,810
5,450
10,165
421,737
null
Ellipse
0
143,105,460
0.821192
0
0.766925
0
137,808,674
Exponents
88,198
92,806
565,652
49,506
2012-09-30 13:51:16
2012-09-30 13:51:20.834
algebra
1
1
0
0
--- - - start - 1349027476164 - "75036" - - answer - 4830 - true - "36" - - - end
1
4,830
tutor
6,937
22,755
34
MasterySection
6,937
86
68,444
5,450
4,830
29,913
null
36
0
137,808,674
0.361323
0
0.766925
0
138,403,004
null
574,222
92,806
582,089
353,987
2012-10-16 19:09:45
2012-10-16 19:13:21.838
fill_in_1
1
0
1
1
--- - - start - 1350428985018 - "1015152" - - answer - 98469 - false - x>=208 - - - answer - 102566 - false - x>=208 - - - answer - 107976 - false - x>=207 - - - answer - 109154 - false - x>=207 - - - answer - 169966 - false - x>-208 - - - hint - 171891 - - answer -...
8
98,469
tutor
63,540
22,755
56
LinearSection
63,540
null
68,444
5,450
98,469
353,987
null
x>=208
0
138,403,004
0.361323
0
0.766925
0.344531
139,123,427
Percent Of
221,988
92,806
602,193
114,377
2012-11-06 15:34:03
2012-11-06 15:34:19.451
algebra
1
1
0
0
--- - - start - 1352234043622 - "396363" - - answer - 16434 - true - "152" - - - end
1
16,434
tutor
14,442
22,755
77
MasterySection
14,442
70
68,444
5,450
16,434
40,698
null
152
0
139,123,427
0.361323
0
0.766925
0.442968
139,612,618
Equation Solving Two or Fewer Steps
94,683
92,806
621,097
54,362
2012-11-26 16:39:37
2012-11-26 16:39:51.821
choose_1
1
1
0
0
--- - - start - 1353965977887 - "1160465" - - answer - 14809 - true - Add 3 to both sides and then divide both sides by 6 - - - end
1
14,809
tutor
86,849
22,755
1,478
LinearSection
86,849
311
68,444
5,450
14,809
54,274
null
Add 3 to both sides and then divide both sides by 6
0
139,612,618
0.361323
0
0.766925
0.442968
140,989,747
Write Linear Equation from Ordered Pairs
420,657
92,806
679,210
243,340
2013-01-17 16:30:58
2013-01-17 16:31:32.03
algebra
1
1
0
0
--- - - start - 1358458258480 - "732196" - - answer - 34025 - true - 1x+2 - - - end
1
34,025
tutor
38,845
22,755
120
LinearSection
38,845
322
68,444
5,450
34,025
243,340
null
1x+2
0
140,989,747
0.361323
0
0.766925
0.762689
143,101,463
null
409,532
92,806
755,867
235,964
2013-04-04 22:56:01
2013-04-04 22:56:11.326
choose_1
1
0
0
0
--- - - start - 1365130561134 - "713690" - - answer - 5852 - false - "6n\xC2\xB3 + 1n\xC2\xB2 + 13n + 9" - - - answer - 7836 - false - "5n\xC2\xB3 - 13n - 9" - - - answer - 10315 - true - "6n\xC2\xB3 - 1n\xC2\xB2 + 9n - 5" - - - end
3
5,852
tutor
37,980
22,755
0
MasterySection
37,980
null
68,444
5,450
5,852
234,163
null
6n³ + 1n² + 13n + 9
0
143,101,463
0.523987
0
0.766925
0.39055
144,643,065
null
535,599
92,806
798,068
325,539
2013-05-09 09:44:00
2013-05-09 09:44:33.721
algebra
1
1
0
0
--- - - start - 1368107040491 - "915525" - - answer - 33672 - true - "7" - - - end
1
33,672
tutor
51,386
22,755
205
LinearSection
51,386
null
68,444
5,450
33,672
325,539
null
7
0
144,643,065
0.361323
0
0.766925
0
138,150,145
Equation Solving Two or Fewer Steps
88,349
92,809
568,723
49,657
2012-10-10 12:40:30
2012-10-10 12:42:01.84
algebra
1
1
0
0
--- - - start - 1349887230060 - "75279" - - answer - 91829 - true - "-8" - - - end
1
91,829
tutor
6,943
22,755
42
MasterySection
6,943
311
68,444
5,450
91,829
46,285
null
-8
0
138,150,145
0.361323
0
0.766925
0.442968
140,429,303
Equation Solving More Than Two Steps
107,905
92,809
615,274
57,414
2012-12-19 21:30:15
2012-12-19 21:32:08.397
algebra
1
1
0
0
--- - - start - 1355970615414 - "103629" - - answer - 113389 - true - -123/44 - - - end
1
113,389
tutor
5,969
22,755
86
MasterySection
5,969
312
68,444
5,450
113,389
55,833
null
-123/44
0
140,429,303
0.361323
0
0.766925
0.442968
143,337,624
null
57,337
92,809
771,126
36,698
2013-04-11 12:41:42
2013-04-11 12:44:04.931
choose_1
1
1
0
0
--- - - start - 1365698502751 - "920262" - - answer - 142921 - true - D. respiratory - - - end
1
142,921
tutor
51,920
18,314
29
LinearSection
51,920
null
108,810
5,450
142,921
36,698
null
D. respiratory
0
143,337,624
0.361323
0
0.766925
0.442968
137,073,126
null
531,495
92,810
559,070
322,341
2012-09-09 20:44:50
2012-09-09 20:45:19.014
algebra
1
1
0
0
--- - - start - 1347237890894 - "909288" - - answer - 29011 - true - "30" - - - end
1
29,011
tutor
51,071
22,755
8
LinearSection
51,071
null
68,444
5,450
29,011
322,341
null
30
0
137,073,126
0.361323
0
0.766925
0
137,124,809
Ordering Integers
53,296
92,810
559,207
34,051
2012-09-10 23:07:12
2012-09-10 23:07:26.734
choose_1
1
1
0
0
--- - - start - 1347332832545 - "46190" - - answer - 14730 - true - Sterling - - - end
1
14,730
tutor
5,956
22,755
11
MasterySection
5,956
51
68,444
5,450
14,730
30,730
null
Sterling
0
137,124,809
0.361323
0.978947
0.766925
0.442968
141,208,183
null
531,308
92,810
686,614
322,085
2013-01-24 22:01:50
2013-01-24 22:01:53.402
algebra
1
1
0
0
--- - - start - 1359082910229 - "908511" - - answer - 3390 - true - "+6" - - - end
1
3,390
tutor
51,003
22,755
125
LinearSection
51,003
null
68,444
5,450
3,390
322,085
null
+6
0
141,208,183
0.361323
0
0.766925
0
142,016,390
Recognize Linear Pattern
122,311
92,810
723,328
64,261
2013-02-25 21:36:27
2013-02-25 21:36:31.763
choose_1
1
1
0
0
--- - - start - 1361846187062 - "1489122" - - answer - 4747 - true - Both are Linear - - - end
1
4,747
tutor
152,041
22,755
0
LinearSection
152,041
324
68,444
5,450
4,747
57,852
null
Both are Linear
0
142,016,390
0.361323
0
0.766925
0.762689
142,777,636
null
665,959
92,810
755,865
419,770
2013-03-25 20:53:44
2013-03-25 20:53:55.454
choose_1
1
1
0
0
--- - - start - 1364259224061 - "1589285" - - answer - 11450 - true - "1.22222222222222222222222222222222222222222222222222" - - - end
1
11,450
tutor
169,834
22,755
173
LinearSection
169,834
null
68,444
5,450
11,450
419,770
null
1.22222222222222222222222222222222222222222222222222
0
142,777,636
0.361323
0
0.766925
0
141,013,284
Division Fractions
87,132
92,812
677,095
48,519
2013-01-18 10:47:49
2013-01-18 10:48:43.25
algebra
1
0
0
0
--- - - start - 1358524069244 - "1341019" - - answer - 54213 - false - 1 1/8 - - - end
1
54,213
tutor
123,197
22,755
120
LinearSection
123,197
61
68,444
5,450
54,213
46,275
null
1 1/8
0
141,013,284
0.361323
0
0.766925
0
143,652,285
Pythagorean Theorem
140,527
92,812
781,380
75,464
2013-04-23 10:39:35
2013-04-23 10:40:09.299
algebra
1
1
0
0
--- - - start - 1366727975525 - "809224" - - answer - 34188 - true - "10" - - - end
1
34,188
tutor
43,668
22,755
179
LinearSection
43,668
27
68,444
5,450
34,188
30,006
null
10
0
143,652,285
0.361323
0
0.766925
0.442968
138,300,885
null
573,371
92,813
579,401
353,391
2012-10-14 19:38:30
2012-10-14 19:39:35.652
fill_in_1
1
1
0
0
--- - - start - 1350257910056 - "1012248" - - answer - 65636 - true - x<=16 - - - end
1
65,636
tutor
63,065
22,755
45
LinearSection
63,065
null
68,444
5,450
65,636
353,391
null
x<=16
0
138,300,885
0.361323
0.984127
0.766925
0
145,387,917
Conversion of Fraction Decimals Percents
85,850
92,813
819,259
47,332
2013-06-11 10:30:45
2013-06-11 10:31:00.277
algebra
1
1
0
0
--- - - start - 1370961045954 - "72523" - - answer - 15268 - true - 3/5 - - - end
1
15,268
tutor
6,876
22,755
0
MasterySection
6,876
47
68,444
5,450
15,268
29,870
null
3/5
0
145,387,917
0.361323
0
0.766925
0
139,012,952
null
586,441
92,814
597,042
362,615
2012-11-02 10:30:40
2012-11-02 10:30:43.714
choose_1
1
1
0
0
--- - - start - 1351866640215 - "1070594" - - answer - 3711 - true - Okay. - - - end
1
3,711
tutor
72,905
22,755
72
LinearSection
72,905
null
68,444
5,450
3,711
362,615
null
Okay.
0
139,012,952
0.361323
0
0.766925
0
140,869,074
null
535,843
92,814
673,011
325,714
2013-01-12 14:39:39
2013-01-12 14:41:13.416
algebra
1
0
1
1
--- - - start - 1358019579921 - "915726" - - hint - 84010 - - answer - 94404 - true - 4/5x+1 - - - end
1
84,010
tutor
51,404
22,755
114
LinearSection
51,404
null
68,444
5,450
84,010
325,714
null
null
1
140,869,074
0.361323
0
0.766925
0.221484
144,226,723
null
683,280
92,814
791,965
431,723
2013-05-02 09:43:59
2013-05-02 09:44:05.402
choose_1
1
1
0
0
--- - - start - 1367502239780 - "1693940" - - answer - 6397 - true - B - - - end
1
6,397
tutor
188,037
22,755
200
LinearSection
188,037
null
68,444
5,450
6,397
431,723
null
B
0
144,226,723
0.361323
0
0.766925
0.22695
141,243,937
null
628,821
93,269
688,406
392,980
2013-01-25 13:23:58
2013-01-25 13:24:48.945
choose_1
1
0
0
0
--- - - start - 1359138238359 - "1353454" - - answer - 48358 - false - a - - - answer - 49726 - false - b - - - answer - 50942 - true - d - - - end
3
48,358
tutor
125,488
25,045
1
LinearSection
125,488
null
58,033
1,357
48,358
392,980
null
a
0
141,243,937
0.361323
0
0.766925
0
139,351,539
Addition and Subtraction Fractions
86,359
93,490
564,681
47,758
2012-11-14 11:01:33
2012-11-14 11:02:02.042
algebra
1
1
0
0
--- - - start - 1352908893800 - "73317" - - answer - 29025 - true - 22/56 - - - end
1
29,025
tutor
6,910
23,283
10
MasterySection
6,910
280
49,343
5,056
29,025
46,265
null
22/56
0
139,351,539
0.361323
0
0.766925
0.285714
140,059,382
null
611,676
93,509
633,168
381,444
2012-12-07 06:44:43
2012-12-07 06:45:11.077
algebra
1
1
0
0
--- - - start - 1354880683079 - "1202928" - - answer - 28042 - true - "81" - - - end
1
28,042
tutor
46,503
22,755
96
LinearSection
46,503
null
68,444
5,450
28,042
381,444
null
81
0
140,059,382
0.361323
0
0.766925
0
140,411,099
null
618,160
93,509
648,229
385,708
2012-12-19 12:09:00
2012-12-19 12:10:11.98
choose_1
1
1
0
0
--- - - start - 1355936940614 - "1250995" - - answer - 71970 - true - "2" - - - end
1
71,970
tutor
103,427
18,314
2
LinearSection
103,427
null
108,810
5,450
71,970
385,708
null
2
0
140,411,099
0.361323
0
0.766925
0.762689
141,091,365
null
630,016
93,509
684,480
326,999
2013-01-22 13:49:58
2013-01-22 13:50:11.544
choose_1
1
0
0
0
--- - - start - 1358880598267 - "918014" - - answer - 7894 - false - C. It contains only one type of molecule. - - - answer - 13542 - true - D. It contains more than one type of molecule. - - - end
2
7,894
tutor
51,610
18,314
12
LinearSection
51,610
null
108,810
5,450
7,894
326,999
null
C. It contains only one type of molecule.
0
141,091,365
0.361323
0
0.766925
0.221484
141,368,240
null
536,721
93,509
695,705
326,414
2013-01-29 20:23:14
2013-01-29 20:28:38.372
algebra
1
0
0
0
--- - - start - 1359508994877 - "916897" - - answer - 2877 - false - "1" - - - answer - 4705 - false - "10" - - - answer - 7825 - false - "0" - - - answer - 10177 - false - "1" - - - answer - 15328 - false - "50" - - - answer - 277928 - false - 5/6 - - - answer...
11
2,877
tutor
51,585
22,755
134
LinearSection
51,585
null
68,444
5,450
2,877
326,414
null
1
0
141,368,240
0.361323
0.088995
0.766925
0.457738
141,368,526
null
536,723
93,509
695,705
326,416
2013-01-29 20:31:40
2013-01-29 20:32:04.422
algebra
1
1
0
0
--- - - start - 1359509500914 - "916899" - - answer - 24399 - true - "3" - - - end
1
24,399
tutor
51,585
22,755
134
LinearSection
51,585
null
68,444
5,450
24,399
326,416
null
3
0
141,368,526
0.361323
0
0.766925
0.912281
144,226,494
null
683,338
93,509
791,964
431,779
2013-05-02 09:42:27
2013-05-02 09:44:12.412
choose_1
1
0
0
0
--- - - start - 1367502147681 - "1694091" - - answer - 88291 - false - D - - - answer - 92771 - false - C - - - answer - 105395 - true - A - - - end
3
88,291
tutor
188,055
22,755
199
LinearSection
188,055
null
68,444
5,450
88,291
431,779
null
D
0
144,226,494
0.361323
0
0.766925
0.370962
144,800,036
null
535,596
93,509
798,068
325,539
2013-05-13 08:17:26
2013-05-13 08:17:32.115
algebra
1
1
0
0
--- - - start - 1368447446307 - "915525" - - answer - 6084 - true - "-8" - - - end
1
6,084
tutor
51,386
22,755
205
LinearSection
51,386
null
68,444
5,450
6,084
325,539
null
-8
0
144,800,036
0.361323
0
0.766925
0.442968
136,909,821
null
57,383
93,510
558,751
36,732
2012-09-05 09:32:07
2012-09-05 09:33:58.975
choose_1
1
1
0
0
--- - - start - 1346851927283 - "926378" - - answer - 111965 - true - D. boiling point - - - end
1
111,965
tutor
52,498
18,314
7
LinearSection
52,498
null
108,810
5,450
111,965
36,732
null
D. boiling point
0
136,909,821
0.361323
0
0.766925
0
137,106,289
null
548,223
93,515
559,699
334,871
2012-09-10 15:42:31
2012-09-10 15:43:22.267
algebra
1
1
0
0
--- - - start - 1347306151233 - "932325" - - answer - 51252 - true - 1/64 - - - end
1
51,252
tutor
50,935
22,755
13
LinearSection
50,935
null
68,444
5,450
51,252
334,871
null
1/64
0
137,106,289
0.361323
0
0.766925
0
143,659,425
null
466,315
93,516
781,381
273,569
2013-04-23 11:52:06
2013-04-23 11:57:27.996
algebra
1
0
1
1
--- - - start - 1366732326113 - "810685" - - answer - 305721 - false - "134.16" - - - answer - 307371 - false - "134.16" - - - hint - 310189 - - answer - 321942 - true - "150" - - - end
3
305,721
tutor
43,723
22,755
180
LinearSection
43,723
null
68,444
5,450
305,721
273,569
null
134.16
0
143,659,425
0.361323
0.247341
0.766925
0.221484
144,148,015
null
683,058
93,516
790,703
431,514
2013-05-01 09:24:47
2013-05-01 09:25:21.311
algebra
1
1
0
0
--- - - start - 1367414687918 - "1691225" - - answer - 34253 - true - "10" - - - end
1
34,253
tutor
187,481
22,755
198
LinearSection
187,481
null
68,444
5,450
34,253
431,514
null
10
0
144,148,015
0.361323
0
0.766925
0.285714