The Number System

What is the GCF (Greatest Common Factor) of 4 and 12?

• 1

• 3

• 4

• 6

What is the GCF (Greatest Common Factor) of 24 and 56?

• 2

• 4

• 6

• 8

Find the LCM (Least Common Multiple) of 9 and 6.

• 18

• 36

• 38

• 72

Find the LCM (Least Common Multiple) of 2, 3, and 6.

• 2

• 6

• 12

• 24

Order from least to greatest: -5, -17, 3, 0

• 3, 0, -5, -17

• 3, 0, -17, -5

• -17, -5, 0, 3

• -5, -17, 0, 3

Order from greatest to least: -12, 15, -1, 3,

• 15, 3, -1, -12

• 15, 3, -12, -1

• -1, -12, 3, 15

• -12, -1, 3, 15

Compare: -10 __ -100

• >

• =

• <

Compare: 3 ___ -5

• >

• =

• <

On Monday, the high temperature was -1°F. On Tuesday, the high temperature was -3°F. Was it warmer on Monday or Tuesday?

• Monday

• Tuesday

A bird is flying 250 feet above sea level. A fish is swimming 100 feet below sea level. Who is closest to sea level?

• The bird

• The fish