Lesson 3 Unit 2

What is the side length of the largest square that can tile a 20-unit by 24-unit rectangle?

• 2 units

• 4 units

• 6 units

• 8 units

What is the greatest common factor of 36 and 48?

• 6

• 12

• 18

• 24

What is the greatest common factor of 36 and 55?

• 1

• 2

• 3

• 5

Riley has 28 pens and 14 notepads. She uses all of the pens and notepads to make identical gift bags for her teachers. What is the greatest number of identical gift bags Riley can make?

• 2

• 7

• 14

• 28

Riley has 28 pens and 14 notepads. She uses all of the pens and notepads to make identical gift bags for her teachers. Each gift bag contains a certain number of pens and notepads. How many pens and notepads are in each gift bag?

• 2 pens and 3 notepads

• 2 pens and 1 notepads

• 4 pens and 1 notepad

• 1 pen and 4 notepads

What is the greatest common factor of 26 and 39?

• 1

• 2

• 13

• 26

What is the greatest common factor of 13 and 14?

• 1

• 13

• 14

• 0

A group of 18 sixth graders and 24 fifth graders play a trivia game. Each is placed on a team. Each team must have the same ratio of the number of sixth graders to the number of fifth graders. What is the greatest number of teams that can play the trivia game?

• 2

• 3

• 6

• 9

A group of 18 sixth graders and 24 fifth graders play a trivia game. Each is placed on a team. How many sixth graders does each team have?

• 2

• 3

• 4

• 6

What is the prime factorization of 24?

• 2 x 2 x 2 x 3

• 2 x 3 x 4

• 3 x 3 x 2

• 2 x 2 x 6