(Pearson) Math Chapter 2 Lesson 3

Use mental math to solve the equation:

h + 7 = 16

• h=9

• h=8

• h-7

• h=16

Use mental math to solve the equation:

m÷2 = 10

• 10

• 8

• 20

• 5

Use mental math to solve for the variable.

y - 8 = 12

• 16

• 4

• 64

• 20

True or false?

18 + 25 = 43

• true

• false

True or false?

18 = 9÷2

• true

• false