2010 AMC8 Report for all schools in Nevada
Number of schools returning results 8
Average of school highest score 18.50
Average school team score 50.00
# of State Student Participants 979
Overall State Average Score 8.99
Average Score by Grade level
Grade # of Students Average
5th 57 6.79
6th 165 8.23
7th 292 9.06
8th 454 9.49
Number of Female Students 458
Average Score of Female Students 8.28
Average Female Scores by Grade
Grade # of Students Average
5th 26 6.96
6th 72 7.58
7th 143 8.30
8th 215 8.67
Number of Male Participants 499
Average Score of Male Participants 9.63
Average score for Males by Grade
Grade # of Students Average
5th 29 6.55
6th 89 8.71
7th 144 9.89
8th 231 10.25
2010 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 2 1 3
24 1 1
23 2 2
22 2 2
21 2 2
20 5 5
19 4 4
18 2 3 6
17 2 3
16 10 3 13
15 16 7 23
14 9 4 14
13 26 18 44
12 42 21 63
11 38 32 74
10 66 58 125
9 58 58 119
8 62 61 125
7 62 67 131
6 43 41 89
5 28 42 70
4 12 30 44
3 3 10 13
2 1 1
1 1 1
0 (@)
0 ($) 2 2
(@) These students attempted some of the problems
($) These students attempted none of the problems
(*) Total includes students who failed to mark their gender
2010 American Mathematics Contest 8
Number of Students by Grade
Achieving indicated Score
SCORE 5th Grade 6th Grade 7th Grade 8th Grade
25 1 2
24 1
23 1 1
22 2
21 1 1
20 1 3 1
19 3 1
18 1 1 3
17 1 1 1
16 1 4 8
15 3 9 11
14 3 11
13 1 4 13 26
12 2 8 17 36
11 15 23 34
10 4 16 35 67
9 4 16 34 65
8 9 22 38 56
7 12 30 38 50
6 8 18 27 34
5 9 17 17 25
4 4 10 17 13
3 3 2 5 3
2 1
1 1
0(@) 1 1
0($)
(@) These students attempted some of the problems
($) These students attempted none of the problems
Note: Some students failed to indicate a grade
2010 American Mathematics Contest 8
Number of Schools with 3+ students
Achieving team Scores
SCORE school count
74 1
68 1
53 1
45 1
44 1
40 1
38 2
Table of Item Difficulty for the 2010
American Mathematics Contest 8
Tabulation of responses by 979 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.92 1.53 95.71* 1.33 0.31 0.20 0.00
2 5.92 0.92 1.84 62.82* 27.48 1.02 0.00
3 8.27 23.80 60.37* 4.90 1.23 1.43 0.00
4 6.03 9.50 64.76* 11.85 7.25 0.61 0.00
5 7.15 64.66* 10.21 6.95 9.40 1.53 0.10
6 5.82 6.13 2.35 7.05 78.04* 0.61 0.00
7 36.06 33.71* 11.03 5.92 12.46 0.82 0.00
8 24.41 25.23 22.47 19.82* 5.31 2.66 0.10
9 13.48 12.05 30.23 35.96* 7.15 1.02 0.10
10 21.35 19.10* 20.84 19.82 16.24 2.66 0.00
11 19.82 52.40* 9.19 11.34 4.90 2.35 0.00
12 45.25 18.08 11.54 14.71* 7.76* 2.45 0.20
13 11.64 15.53 29.93 19.31 18.79* 4.80 0.00
14 9.60 13.07 34.12* 20.22 18.28 4.70 0.00
15 30.64 18.18 28.80* 9.81 6.95 5.62 0.00
16 35.14 16.55* 10.11 19.31 13.38 5.52 0.00
17 11.24 31.66 24.92 15.63* 8.89 7.66 0.00
18 10.32 18.79 31.36* 17.67 14.40 7.46 0.00
19 24.51 21.25 27.68* 12.26 5.52 8.68 0.10
20 25.84* 17.88 24.51 15.12 8.58 8.07 0.00
21 8.38 20.43 31.77* 18.59 10.42 10.32 0.10
22 11.24 20.63 19.20 21.65 16.85* 10.21 0.20
23 16.75 20.02* 24.72 17.26 10.21 11.03 0.00
24 12.97* 22.98 20.94 20.94 11.64 10.21 0.31
25 15.42 32.07 12.26 12.26 16.14* 11.75 0.10
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem