Year 1 Maths — Adding and taking away within 20
Add and take away with numbers up to 20, going past ten on the way.
Name: ________________________
1.16 - 9 = ?
2.Put these sums in order, smallest answer first.
- 11 - 8
- 8 + 6
- 9 + 9
- 9 + 0
3.Match each sum to its answer.
- 8 + 6
- 9 + 9
- 11 + 5
- 7 + 6
- 18
- 16
- 14
- 13
4.9 + 6 = ?
5.What do you add to 8 to make 15?
- a) 5
- b) 6
- c) 7
- d) 9
6.8 + 5 = ?
7.Start at 9 and jump on 7. Tap where you land.
Mark the line with an X.
8.Start at 15 and jump back 8. Tap where you land.
Mark the line with an X.
Answer key — Year 1 Maths — Adding and taking away within 20
- 1. 7
- 2. 1. 11 - 8 2. 9 + 0 3. 8 + 6 4. 9 + 9
- 3. 8 + 6 → 14; 9 + 9 → 18; 11 + 5 → 16; 7 + 6 → 13
- 4. 15
- 5. c) 7
- 6. 13
- 7. 16
- 8. 7