NSCAS 6th Grade Math Olympics~Competition #6

Ray baked 15 jars/day. After 5 days he had 6 broken jars. What is the ratio of defective jars to the total # of jars?

• 2 to 5

• 2 to 23

• 2 to 25

• 23 to 25

Which expression is equivalent to

by the distributive property? a(b + c)

• abc

• ab + ac

• a + bc

• ab + c

What is the value of v when 31.24+v=56.98?

• 24.22

• 25.74

• 87.74

• 88.22

Bri has 33 bags of soil. After filling 8 pots, she has 1 bag left. Which shows the # of bags of soil needed for each?

• 8 • b + 1 = 33

• 8 • b = 33 + 1

• 32 - 1 = 8 ÷ b

• (8-1) • b = 33

Which of the following would create a triangular prism?

• 
• 
• 
• 

What is the length of line segment KN?

• 4 units

• 5 units

• 8 units

• 9 units

A net for a rectangular prism is below. What will the surface area be when the net is folded into rectangular prism?

• 63 squared units

• 90 squared units

• 108 squared units

• 126 squared units

The table shows what fraction of a parking lot was filled throughout a day. Which line plot matches the data?

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• 
• 
• 

Below shows the fractions of milk over 10 days. What is the total # of gallons of milk used at home over 10 days?

• 1 7/8 gallons

• 2 3/4 gallons

• 3 gallons

• 8 gallons