πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 3 = ?
Answer: ______________
220 − 1 = ?
Answer: ______________
311 − 9 = ?
Answer: ______________
4Start at 12 and count back 3. Where do you land? (12 − 3)
Answer: ______________
5Start at 14 and count back 2. Where do you land? (14 − 2)
Answer: ______________
6Start at 14 and count back 3. Where do you land? (14 − 3)
Answer: ______________
716 − 3 = ?
Answer: ______________
819 − 6 = ?
Answer: ______________
95 − 1 = ?
Answer: ______________
107 − 3 = ?
Answer: ______________
1117 − 1 = ?
Answer: ______________
127 − 2 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 15
- 2. 19
- 3. 2
- 4. 9
- 5. 12
- 6. 11
- 7. 13
- 8. 13
- 9. 4
- 10. 4
- 11. 16
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20