Add and subtract numbers up to 20
Learn with an example
🎈 Subtract. 14 – 5=_____
- You can count back to subtract. Start from 14 and count back 5:
- 14, 13, 12, 11, 10, 9
- 14 – 5=9
- The difference is 9.
🎈Add. 12 + 7=____
- You can count up to add. It is easier to start with a larger number. Start from 12 and count up to 7:
- 12, 13, 14, 15, 16, 17, 18, 19
- 12 + 7=19
- The sum is 19.
🎈 Add: 1 + 1=___
- You can count up to add. Start from 1 and count up to 1:
- 1, 2
- 1+1= 2
- The sum is 2.
Let’s practice!🖊️