2005 State Report for Texas
Number of schools returning results 70
Average of school highest score 17.84
Average school team score 49.04
# of State Student Participants 4674
Overall State Average Score 9.89
Average Score by Grade level
Grade # of Students Average
5th 82 6.99
6th 399 8.08
7th 1786 9.25
8th 2358 10.79
Number of Female Students 2371
Average Score of Female Students 9.16
Average Female Scores by Grade
Grade # of Students Average
5th 38 6.74
6th 208 7.03
7th 910 8.58
8th 1201 10.05
Number of Male Participants 2199
Average Score of Male Participants 10.63
Average score for Males by Grade
Grade # of Students Average
5th 44 7.20
6th 184 9.22
7th 853 9.94
8th 1100 11.55
2005 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 9 0 9
24 1 4 5
23 4 2 6
22 10 1 11
21 19 8 27
20 22 5 29
19 33 5 40
18 37 17 57
17 61 28 92
16 86 49 140
15 101 75 185
14 118 114 237
13 177 132 313
12 195 157 357
11 194 193 404
10 199 235 442
9 214 272 498
8 199 240 448
7 163 227 398
6 137 216 361
5 98 172 273
4 59 119 178
3 29 60 90
2 21 26 47
1 4 7 11
0 (@) 3 4 7
0 ($) 6 3 9
(@) These students attempted some of the problems
($) These students attempted none of the problems
(*) Total includes students who failed to mark their gender
2005 American Mathematics Contest 8
Number of Students by Grade
Achieving indicated Score
SCORE 5th Grade 6th Grade 7th Grade 8th Grade
25 0 0 1 8
24 0 0 0 5
23 0 0 1 5
22 0 0 2 9
21 0 2 10 15
20 0 0 10 19
19 0 0 13 27
18 0 1 17 39
17 1 3 25 61
16 0 2 38 98
15 0 9 43 133
14 1 19 68 145
13 0 19 107 184
12 2 16 129 207
11 4 25 146 220
10 7 28 178 224
9 9 43 198 240
8 8 35 186 217
7 12 48 159 176
6 13 43 165 137
5 9 48 125 87
4 9 30 78 61
3 4 16 47 22
2 2 7 25 13
1 0 3 5 3
0(@) 1 2 10 3
0($) 0 0 0 0
(@) These students attempted some of the problems
($) These students attempted none of the problems
Note: Some students failed to indicate a grade
Table of Item Difficulty for the 2005
American Mathematics Contest 8
Tabulation of responses by 4674 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.88 65.75* 25.27 7.57 0.06 0.47 0.00
2 10.33 15.38 65.88* 3.40 3.85 1.16 0.00
3 4.64 7.21 34.57 43.67* 8.71 1.13 0.06
4 20.99 4.60 61.34* 8.62 2.70 1.73 0.02
5 6.95 60.16* 8.02 3.98 20.13 0.64 0.11
6 14.63 18.68 30.72* 19.79 13.33 2.82 0.02
7 25.16 22.14* 8.22 40.39 2.87 1.18 0.04
8 14.04 10.72 11.87 8.52 52.40* 2.40 0.06
9 12.22 20.82 16.77 41.23* 4.92 4.00 0.04
10 3.62 3.23 2.97 84.72* 3.66 1.78 0.02
11 6.95 6.63 62.99* 7.45 12.34 3.59 0.04
12 4.30 5.88 23.41 54.24* 9.82 2.20 0.15
13 16.73 46.34 24.35* 6.42 3.89 2.23 0.04
14 13.29 34.87* 5.39 21.87 19.66 4.77 0.15
15 15.75 23.00 26.57* 11.79 14.76 8.02 0.11
16 6.01 9.33 12.26 18.19* 48.52 5.65 0.04
17 10.91 2.63 27.09 5.91 49.44* 3.92 0.11
18 22.53 19.08 30.87* 15.02 4.92 7.51 0.06
19 38.70* 22.70 16.07 6.76 7.06 8.62 0.09
20 23.45* 19.00 21.95 16.45 6.05 13.01 0.09
21 21.31 33.63 24.37* 6.35 4.75 9.52 0.06
22 10.53 14.83 20.30 23.73 16.71* 13.74 0.17
23 9.80 20.58* 25.42 13.80 12.28 17.93 0.19
24 12.07 15.92* 22.57 16.15 15.25 17.95 0.09
25 20.09* 22.21 16.20 12.88 8.84 19.77 0.02
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem