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Sunday, 22 July 2018

Positive Negative square root 22/7/18

Michelle
Date: Sunday 22 July 2018
Title: Positive Negative square root


1. What is positive square root of 144?   12 x 12 = 144

2. What is positive square root of 25?     5  x 5 = 25

3. What is positive square root of 81? 9  x 9 = 81

4. What is positive square root of 169? 13 x 13 = 169

5. What is positive square root of 100? 10 x 10 = 100
6. What is negative square root of 4?  4 ÷ 4 = 2, -2

7. What is negative square root of 256?  16 x 16 = 256, -16

8. What is negative square root of 324?  18 x 18 = 324, -18

9. What is negative square root of 49?   7 x 7 = 49, -49

10. What is negative square root of 225?   15 x 15 = 225, -225


Specialist -
What is negative and positive square root of 256?   The answer is 13

The strategies I used were multiplication with 3 digital numbers, division and positive and negative.

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