Subtraction is the taking of one number or amount away from another.
It is the opposite of addition.
To identify the missing number in these questions, we need to use subtraction.
Example
Work out 16 - 7
You can cross each item off as you subtract to help you.
subtract
What is 16 minus 7?
You should have got 9 pictures left.
Answer
16 | - | 7 | = | 9 |
Shall we have a go at some questions now?