Missing Number Problems

Front

What is a missing number problem?

Back

A missing number problem is a math question where you need to find a number that makes an equation true.

Front

What does the symbol '-' mean in math?

Back

The '-' symbol means 'minus' or 'subtract'.

Front

What does the symbol '+' mean in math?

Back

The '+' symbol means 'plus' or 'add'.

Front

If you have 18 and take away 7, what do you get?

Back

11

Front

If you have 15 and take away 7, what do you get?

Back

8

Front

What number do you add to 7 to get 14?

Back

7

Front

What number do you add to 4 to get 10?

Back

6

Front

If you have 9 and you add 4, what do you get?

Back

13

Front

How do you find a missing number in an addition problem?

Back

You can subtract the known number from the total to find the missing number.

Front

How do you find a missing number in a subtraction problem?

Back

You can add the number you took away to the result to find the missing number.