πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 2 = ?
Answer: ______________
2Start at 13 and count back 2. Where do you land? (13 − 2)
Answer: ______________
35 − 2 = ?
Answer: ______________
49 − 1 = ?
Answer: ______________
511 − 6 = ?
Answer: ______________
66 − 3 = ?
Answer: ______________
7Start at 15 and count back 2. Where do you land? (15 − 2)
Answer: ______________
8Start at 18 and count back 2. Where do you land? (18 − 2)
Answer: ______________
914 − 4 = ?
Answer: ______________
1017 − 7 = ?
Answer: ______________
1111 − 5 = ?
Answer: ______________
12Start at 14 and count back 3. Where do you land? (14 − 3)
Answer: ______________
Answer key: Subtract within 20
- 1. 10
- 2. 11
- 3. 3
- 4. 8
- 5. 5
- 6. 3
- 7. 13
- 8. 16
- 9. 10
- 10. 10
- 11. 6
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20