WASHINGTON STATE MATHEMATICS COUNCIL
1999 MIDDLE SCHOOL MATH OLYMPIAD |
ANSWERS |
Subtract two points (or half credit) for missing or wrong units.
GRADE 5 ANSWERS |
5 |
GRADE 6 ANSWERS |
6 |
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Number Sense 1. 40 2. 11 3. 17 4. $2 5. 17 |
Number Sense 1. 90 2. 11 3. 11 4. 156 5. 18 |
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Measurement 1. 9 2. 62 sq cm or 62 cm2 3. 3:30 p.m. or 15:30 4. 16 sq cm or 16 cm2 5. 500 |
Measurement 1. 3:30 p.m. or 15:30 2. 9 sq cm or 9 cm2 3. $108 4. 2000 5. $3.20 |
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Geometric sense 1. 122 degrees or 122o 2. 12 in. and 12 in. (or just 12 in.) 3. 5 4. 90 o and 63o 5. 372 sq ft or 372 ft2 |
Geometric sense 1. 300 degrees or 300o 2. 176 3. 1 4. 32 m 5. any number between 39.25 and 39.27 (inclusive) or 25 p /2 or (25/2)p or 12.5p sq. m (units are sq. m or m2) |
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Probability and statistics 1. 96 2. 1/6 3. 16/35 4. mean 86 (1 points) mode 92 (1 point) median 88 (1 point) range 25 (1 point) 5. 380 |
Probability and statistics 1. 4/5 2. 96 3. 5 4. 144 5. 6.4% (Give 2 points for answer of .064)
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Algebraic sense 1. 12 2. 25 3. 3/8 4. $28 5. 4 m |
Algebraic sense 1. 50 2. a 3. 3/8 4. 9 or -9 (accept either or both answers) 5. 12 m |