Unit 2b Practice Test

An ant weighs 5 grams.  How many milligrams does an ant weigh?

10 grams = 10,000 milligrams

• 5 grams = 500 miligrams

• 5 grams = 5000 milligrams

• 5 grams = 50 milligrams

• 

An insect is 3 inches long. What is the length of the insect in centimeters?

1 inch = 2.54 centimeter

Last year the girls’ basketball team had 8 fifth-grade students and 7 sixth-grade students. What was the ratio of sixth-grade students to fifth-grade students on the team?

• 8:15

• 7:8

• 15:8

• 8:7

Convert  9 ft = _____ in 

1 ft = 12 in

The ratio of the number of baseballs to the number of footballs is (a)   ​ (b)  

• drop down
• 9 to 5
• 5 to 9
• 5 to 14

One hundred middle school students take a survey that asks them about their fruit preferences. Thirty-seven out of 100 students said they prefer pineapples to peaches. How would you write this amount as a percent?

• .37

• 37%

• 0.37%

• 370%

16 out of 25 is equal to what percent?

What is 15% of 20?

• 10
• 3
• 5
• 2

There are 15 pieces of fruit in a bowl and 6 of them are apples. What percentage of the pieces of fruit in the bowl are apples?

• 40%

• 4%

• 6%

• 0.06%