Unit 3 Review

What is a prime number?

• a number with ONLY two factors

• a number with LESS THAN two factors

• a number with ONLY one factor

• a number with MORE THAN two factors

What is a composite number?

• a number with ONLY TWO factors

• a number with LESS THAN TWO factors

• a number with MORE THAN TWO factors

• a number with ONLY ONE factor

Which list has ONLY prime numbers?

• 1, 2, 3

• 2, 3, 5

• 2, 3, 4

• 2, 4, 6

Which list has ONLY composite numbers?

• 8, 16, 24

• 2, 4, 6

• 5, 10, 15

• 3, 6, 9

29

• odd

• even

8

• odd

• even

65

• odd

• even

Mr. Connor makes $23 per hour repairing cars at the auto shop. If he works 46 hours this week, how much money will he make in one week?

Cody and Brad bought pizza for the class party. Cody bought 12 pizzas for $15 each. Brad bought 8 pizzas for $12 each. Who spent more money on pizza?

A theater can seat 460 people at one time. If a movie in the theater fills every seat, every day for 3 weeks, how many tickets were sold?

• 1,380

• 9,660

• 9,200

• 13,800