HIGHLINE SCHOOL DISTRICT

Math Olympiad - March 13, 199

Second Year - Answer sheet

Measurement

Problem

Answer

1

2.5 hours

2

1 1/6 or 1.167 cups

3

between 942 and 942.48 cubic inches or 300 p

4

between 8067 and 8072 turns or 240 p

5

8064 square feet

 

 

Number sense

Problem

 

1

19

2

105

3

13

4

38

5

A = 3, B = 9

Probability and statistics

Problem

Answer

1

Mean= 150.4 (no points if not rounded properly)

Mode=152,Median=152,Range=6

2

28/52 or 14/26 or 7/13

3

58

4

16/2652 or 4/663

5

120

 

Algebraic sense

Problem

Answer

1

X = 7 Also -7

2

17 chickens

3

33o

4

40

5

8 meters

 

Geometric sense

Problem

Answer

1

72 square cm.

2

7.8 m. (2 points for unrounded or misrounded answer)

3

between 5.365 and 5.375 sq. in

4

120o

5

Area=48 sq. cm (2 points) Perimeter = 34 cm (2 points)