Gr.4 Solve the Equations
Gr.4 Equations with an unknown
Grade 5 Equations
Number Talk
100

3 × 6 =___

18

100

Make an equation with an unknown. 

Example: 3x__=15

Answers can vary.

100

Make an equation for the following problem:

I bought 3 identical presents for $60. How much did each present cost?

60/3=p

100


73

200

___+ 14 = 42

28

200

Which equation does not have the same solution as the others?

A) 35 +___  = 44

B) 5 ×___  = 30

C)  24 ÷ ___ = 4

D)___= 3 × 2

A- all unknowns are a 6 except for A. It is a 9.

200

I want to buy 4 headphones. Each headphone costs $20. How much will it cost? (What is the equation?)

4 x 20=h

h=80

200

To figure out the unknown in the equation below, what operation would you use?

3 x__=21

division

300


45 – ____ = 36

9

300

Create an equation with the numbers 

9, 45, __

9 x___= 45

300

Which equation shows that the total price of 2 identical items is $30?

A) 2 + n = 30

B) 2n = 30

C)30 − n = 2

D) 2 × 30 = n

B

300

To figure out the missing number below, what operation would you use?

20/__=4

multiplication

400

49 ÷___  = 7

400

Create an equation with the numbers 

4, 8,__

4 x __=8

400

Write this equation in a different way. (Think opposite operations).

p = 40 − t

t + p = 40

400

To figure out the missing number what operation would you use?

___/2=15

multiplication

500

3 ×___  = 21

500

Create an equation with the numbers
5, 40,___

5 x __=40

500


29

500

To figure out the missing number below what operation would you use?

__ x 9= 45

division