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: ______________
213 − 10 = ?
Answer: ______________
3Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
416 − 5 = ?
Answer: ______________
5Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
620 − 13 = ?
Answer: ______________
713 − 9 = ?
Answer: ______________
817 − 5 = ?
Answer: ______________
915 − 3 = ?
Answer: ______________
1014 − 8 = ?
Answer: ______________
1111 − 10 = ?
Answer: ______________
1212 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 10
- 2. 3
- 3. 4
- 4. 11
- 5. 6
- 6. 7
- 7. 4
- 8. 12
- 9. 12
- 10. 6
- 11. 1
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20