πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 3 = ?
Answer: ______________
2Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
313 − 7 = ?
Answer: ______________
412 − 6 = ?
Answer: ______________
518 − 13 = ?
Answer: ______________
614 − 1 = ?
Answer: ______________
714 − 11 = ?
Answer: ______________
8Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
9Get to ten first: 11 − 3 = 11 − 1 − ?
Answer: ______________
1015 − 10 = ?
Answer: ______________
1115 − 12 = ?
Answer: ______________
1216 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 3
- 3. 6
- 4. 6
- 5. 5
- 6. 13
- 7. 3
- 8. 2
- 9. 2
- 10. 5
- 11. 3
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20