G8

Copyright © Copyright © Swun MathSwun Math (^) Grade 8 Unit 4 Lesson 2 P TE

Structured Guided Practice

(A/B Partners Practice)

Directions: Identify an inverse operation to use. Solve and check your solution.

1. r ─ 12 = 40

Solution:

Answer: 푟푟= 52

Check: 52 — 12 = 40

40 = 40 ✓

2. 20 = 5d

Solution:

Answer: 푑푑= 4

Check: 20 = 5 • 4

20 = 20 ✓

3. 푎푎 4 = 12

Solution:

Answer: 푎푎= 48

Check: 484 = 12

12 = 12 ✓