New

New

Year 4

# Identify and use square numbers to solve problems

I can identify and use square numbers to solve problems

New

New

Year 4

# Identify and use square numbers to solve problems

I can identify and use square numbers to solve problems

## Lesson details

### Key learning points

- A square number of objects can be arranged into a square array.
- A square number can be represented as the product of two factors which are the same.
- When both factors have the same value, the product is called a square number.

### Common misconception

Pupils may not connect square numbers to their practical applications in problem-solving.

Highlight key words in the question to help children identify that they can use knowledge of square numbers to find the product.

### Keywords

Square number - The result of multiplying a number by itself is known as a square number.

### Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

## Video

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## Starter quiz

Download starter quiz

### 6 Questions

Q1.

This array shows the equation 4 × 4 When both factors have __________ value, the product is a square number.

an odd

an even

Q2.

True or false. This is a square array.

True

Q3.

Match the number to be squared with the correct expression.

3 × 3

6 × 6

7 × 7

9 × 9

Q4.

How do we calculate a square number?

Multiply the number by 2

Mulitply by an odd number.

Multiply by an even number.

Q5.

Select the square numbers.

6

24

Q6.

True or false. An odd square number is the result of multiplying an odd number by itself.

False

## Exit quiz

Download exit quiz

### 6 Questions

Q1.

Match the expression to the square number product.

9

16

25

36

49

Q2.

Without calculating, which of the following is greater than 6²?

5²

3²

Q3.

Insert the correct symbol to make this correct. 4² ___ 4 × 2

<

=

Q4.

Sofia and Jacob are making patterns with tiles. Sofia makes a square with 36 tiles. Which array shows the correct pattern?

Q5.

Jacob has designed a square from smaller tiles. One side is 8 tiles long. How many tiles has he used? tiles

Q6.

Sofia made a square using 81 tiles. How long are the sides of the square array? tiles long.