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           2009 AMC8 Report for all schools in Washington              

           Number of schools returning results       56
           Average of school highest score        18.80
           Average school team score              49.73

           # of State Student Participants         2498
           Overall State Average Score            10.61

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th             110          11.57
                    6th             428          10.90
                    7th             757          10.54
                    8th            1134          10.58



           Number of Female Students               1103
           Average Score of Female Students        9.91

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   5th               33           9.12
                   6th              193           9.92
                   7th              329           9.74
                   8th              537          10.10



           Number of Male Participants             1320
           Average Score of Male Participants     11.25

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th               75          12.67
                   6th              230          11.70
                   7th              414          11.17
                   8th              581          11.03




                     2009 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25            7            2            9
                  24           12            1           13
                  23           11            2           13
                  22            7                         8
                  21            7            5           12
                  20           10            6           18
                  19           27            2           29
                  18           32            9           42
                  17           47           21           68
                  16           48           26           77
                  15           61           27           90
                  14           75           62          139
                  13          101           80          188
                  12          117           93          212
                  11          132          104          242
                  10          118          138          262
                   9          135          122          271
                   8          125          116          248
                   7           95          100          201
                   6           73           81          160
                   5           44           50           96
                   4           25           39           71
                   3            5           13           18
                   2            2            3            6
                   1            1            1            2
                   0  (@)
                   0  ($)       3                         3



           (@)  These students attempted some of the problems
           ($)  These students attempted none of the problems
           (*)  Total includes students who failed to mark their gender

                         2009 American Mathematics Contest  8
                             Number of Students by Grade
                              Achieving indicated Score



            SCORE   5th Grade    6th Grade    7th Grade    8th Grade
              25                       1            4            4
              24                                    9            4
              23          1            4                         8
              22                       2            2            3
              21                       1            4            7
              20          1            3            7            7
              19          2            5            8           14
              18          5           15           10           11
              17          3           15           21           29
              16          4           18           17           37
              15          6           14           27           42
              14         14           26           36           62
              13          8           25           61           91
              12         14           42           64           89
              11         12           38           77          111
              10         12           48           75          121
               9          3           39           82          135
               8          9           44           75          111
               7          5           33           61           93
               6          4           24           57           67
               5          2           15           31           45
               4          2           13           21           29
               3                       3            6            9
               2                                    1            4
               1          1                         1
               0(@)       2                                      1
               0($)



           (@)  These students attempted some of the problems
           ($)  These students attempted none of the problems

           Note:  Some students failed to indicate a grade





                         2009 American Mathematics Contest  8
                             Number of Schools with 3+ students
                              Achieving team Scores



            SCORE   school count
              74          2
              72          1
              69          2
              66          1
              65          1
              63          2
              62          3
              58          3
              57          1
              56          2
              55          1
              54          1
              53          1
              52          3
              51          2
              50          3
              49          2
              48          5
              47          1
              46          2
              44          1
              43          1
              42          2
              41          2
              38          1
              37          2
              34          4
              31          1







                   Table of Item Difficulty for the 2009
                      American Mathematics Contest  8
                 Tabulation of responses by    2498 Students
                             Percent of Responses


    ITEM    A         B         C         D         E       OMITS       ?
    ____  _____     _____     _____     _____     _____     _____     _____

      1    0.16      0.12      2.88      1.16     95.56*     0.12      0.00
      2    1.96      2.72      2.24     90.15*     2.48      0.44      0.00
      3   10.81      1.48     85.27*     1.04      1.16      0.24      0.00
      4    7.45     74.34*     1.56      7.21      8.61      0.84      0.00
      5    5.32     13.37     16.05     58.77*     3.64      2.72      0.12
      6   69.50*     7.69      7.69      4.48      8.81      1.68      0.16
      7    2.72      9.69     41.71*    18.25     24.70      2.84      0.08
      8   27.46     28.42*    33.51      3.60      5.48      1.44      0.08
      9   12.97     41.79*    15.97     18.61      7.01      3.52      0.12
     10    2.84     26.86     11.37     50.72*     7.17      1.04      0.00
     11    5.88     15.49     23.50     32.59*    15.65      6.85      0.04
     12   15.41     23.70      3.68     48.52*     6.61*     2.04      0.04
     13    6.93     74.86*     4.92      8.41      2.28      2.60      0.00
     14    5.80     11.49*    72.38      4.20      2.56      3.44      0.12
     15   14.89     12.85     16.97     34.19*    15.77      5.28      0.04
     16   32.31     15.73     15.65     15.73*    14.13      6.37      0.08
     17   15.41     23.86*    21.90     16.89     11.41     10.45      0.08
     18   20.02     10.49     41.79*    11.61      9.45      6.53      0.12
     19    9.29     13.93     17.65     25.14*    25.18      8.53      0.28
     20   21.18     27.58     12.65     17.29*    11.33      9.85      0.12
     21   14.61     32.35     17.17     15.77*     6.93     13.05      0.12
     22   10.97     13.37     17.49     22.94*    23.18     11.93      0.12
     23    9.97     27.86*    15.85     21.06     10.37     14.69      0.20
     24   16.21     19.10     21.42     13.73     13.49*    15.93      0.12
     25   12.77     15.21     18.82     15.93     19.38*    17.81      0.08


   (*)  Correct Response

   (?)  Response the computer was unable to read due to incomplete
        erasures or two answers marked for the same problem