πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Start at 12 and count back 2. Where do you land? (12 − 2)
Answer: ______________
214 − 5 = ?
Answer: ______________
318 − 8 = ?
Answer: ______________
417 − 4 = ?
Answer: ______________
55 − 4 = ?
Answer: ______________
6Start at 9 and count back 2. Where do you land? (9 − 2)
Answer: ______________
710 − 9 = ?
Answer: ______________
814 − 3 = ?
Answer: ______________
98 − 4 = ?
Answer: ______________
1013 − 6 = ?
Answer: ______________
1111 − 9 = ?
Answer: ______________
1213 − 8 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 10
- 2. 9
- 3. 10
- 4. 13
- 5. 1
- 6. 7
- 7. 1
- 8. 11
- 9. 4
- 10. 7
- 11. 2
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20