G8

Copyright © Swun Math Grade 8 Unit 1 Lesson 3 P TE

Answer Key

Extension Activity

Answers will vary. Sample responses:

a) 25

b) 4

c) 9

d) 36

e) 7

f) 18

Homework

1. Irrational
   Answers may vary. It is irrational because 18 is not
   a perfect square so the √ 18 is not an integer.
   2. Rational; it is repeating with a set pattern.


2. Rational
   Answers may vary. It is a rational number because
   the fraction has an integer in the numerator and
   an integer in the denominator.
   4. Rational; it is a perfect square.


3. Irrational; the decimal is not a terminating
   decimal and it is not a decimal with a set pattern.
   6. Rational; it is a decimal with a set pattern. The
   repeating pattern is 14