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.

Positive Negative square roots 17/7/18

Michelle

Date: Tuesday (for Monday) 17 July 2018

Title: Positive Negative square roots

1. What is positive square root of 81?   +√9, 9 x 9 = 81

2. What is negative square root of -100?  -√10, 10 x 10 = 100

3. What is negative square root of -144?   -√12, 12 x 12 = 144

4. What is negative square root of 169?   -√13, 13 x 13 = 169

5. What is positive and negative square root of 81?   -+√9, 9 x 9 = 81

6. What is positive square root of 225?   +√15, 15 x 15 = 225

Positive Negative square roots 14/7/18

Michelle

Date: Saturday ( no school) 14 July 2018

Title: Positive Negative square roots

1. What is positive square root of 16?   4 x 4 = 16, +√4

2. What is positive square root of 144?   12 x 12 = 144, +√12

3. What is positive square root of 25?   5 x 5 = 25, +√5

4. What is negative square root of 64?   8 x 8 = 64, -√8

5. What is positive square root of 121?   11 x 11 = 121, +√11

6. What is positive square root of 100?   10 x 10 = 100, +√10

Positive negative square roots 9/7/18

Michelle

Date: Monday 9 July 2018

Title: Positive negative square roots

Grade 8

1. What is positive square root of +√36?

= +√6

2. What is positive square root of +√16?

= +√4

3. What is negative square root of -√12?

= -√6

4. What is negative square root of -√81?

= -√9

5. What is negative square root of -√72?

= -√8

6. What is positive square root of +√22

= +√11