G8

Copyright © Swun Math Grade 8 Unit 2 Lesson 9 C TE

Final Check for Understanding

(Teacher Checks Work)

Directions: Solve. Determine if the solution is a rational or irrational number.

1. 푎푎^2 = 121

Solution:

푎푎= ± 11 ; rational

2. 푔푔^2 = 13

Solution:

푔푔= ±√ 13 ; irrational

Closure

Recap today’s lesson with one or more of the following questions:

MP5: What will be useful for solving these types of problems?

MP6: What symbols or mathematical notations are important in these types of

problems?