Subtraction to 20
Subtraction to 20 helps children practise subtracting within 20, including some problems that go back through 10. Read the short guide and look through the examples before choosing online practice or a printable worksheet.
How to solve this
- Start with the first number.
- If needed, jump back to 10 first.
- Then subtract the rest and read the number you reached.
Examples
15 - 4 = ?
11
13 - 6 = ?
7