1. Word cloud

120 seconds

What is the square root of 64?

2. Slide

60 seconds

Understanding Square Root

Square root is the inverse of squaring a number, which means the number that multiplies itself to get the original number. For example, when you square 4, you get 16. The square root of 16 is 4. Square root can also be used to find the length of a side of a right triangle given the other two sides.

3. Slide

60 seconds

square root

Square Root: A number that, when multiplied by itself, gives the original number. For example, the square root of 4 is 2, because 2 multiplied by 2 equals 4.

Radicals: Symbols used to represent square roots. They look like this: √

Simplifying Radicals: When the value inside the radical can be divided evenly by the same number as many times as possible. For example, √64 can be simplified to √4 x √16 which can then be written as 4√16

4. Slide

60 seconds

Did you know?

The square root of a number is also known as its 'principal root'. The smallest number that can be the square root of a number is 0. A square root of a negative number is known as an 'imaginary' number.

5. Open question

300 seconds

What are the steps for finding the square root of a number?

6. Open question

300 seconds

What is the formula for finding the square root of a perfect square?

7. Open question

300 seconds

How can you use the square root of a number in real-life situations?

8. Open question

300 seconds

What strategies can you use to simplify the square root of a number?

9. Drawings

450 seconds

Brain break: Draw a happy sun with sunglasses, holding an ice cream cone in one hand and making a peace sign with the other hand

10. Drawings

1260 seconds

Clues

In pairs: Select one task

Question: A student is trying to find the square root of a number. How can they do it?

The square root of a number is the same as a number multiplied by itself. The square root of a number is the inverse of squaring a number. The square root of a number can be used to calculate the area of a square.

A: Work in pairs to explain how to calculate the square root of a number through a drawing. B: Write an equation that shows how to calculate the square root of a number.

11. Poll

60 seconds

What is the square root of 16?

- 2
- 6
- 4
- 8

12. Poll

60 seconds

What is the square root of 25?

- 5
- 10
- 3
- 7

13. Poll

60 seconds

Which of the following numbers has an exact square root?

- 16
- 27
- 21
- 9

14. Poll

60 seconds

What is the square root of 81?

- 6
- 12
- 7
- 9

15. Poll

60 seconds

Which of the following expressions represents the square root of x?

- √x
- x/2
- x^2
- x+1

16. Open question

180 seconds

Work together in pairs: What is the square root of 64?

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