# Exposing factors

## Lesson details

### Key learning points

1. In this lesson, we will be looking at how different representations of numbers can help us expose factors of numbers.

### Licence

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## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
Which of the following is a way to write 36?
2 x 12 x 12
Correct answer: 2 x 3 x 6
2 x 4 x 4
2 x 5 x 7
Q2.
What other way can 2 x 2 x 8 be written?
Correct answer: 2 x 2 x 2 x 4
2 x 2 x 2 x 6
2 x 4 x 4
2 x 4 x 6
Q3.
What is the 8th square number?
16
25
32
Q4.
What is the 5th prime number?
13
7
9
Q5.
What is the difference between the 6th square number and the 6th prime number?
20
26
29

## Exit quiz

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### 5 Questions

Q1.
Which of these is not a factor of 36?
12
18
6
Q2.
What do we call numbers that have exactly two factors?
Integers
Square numbers
Triangle numbers
Q3.
What type of number has an odd number of factors?
Even numbers
Odd numbers
Prime numbers
Q4.
Which of these numbers in a common factor of 12 and 18.
12
4