πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 12 − 4 = 12 − 2 − ?
Answer: ______________
212 − 9 = ?
Answer: ______________
314 − 3 = ?
Answer: ______________
415 − 14 = ?
Answer: ______________
5Get to ten first: 13 − 7 = 13 − 3 − ?
Answer: ______________
616 − 5 = ?
Answer: ______________
711 − 9 = ?
Answer: ______________
818 − 10 = ?
Answer: ______________
9Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
1014 − 13 = ?
Answer: ______________
1119 − 11 = ?
Answer: ______________
12Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 3
- 3. 11
- 4. 1
- 5. 4
- 6. 11
- 7. 2
- 8. 8
- 9. 1
- 10. 1
- 11. 8
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20