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: ______________
214 − 14 = ?
Answer: ______________
312 − 3 = ?
Answer: ______________
414 − 10 = ?
Answer: ______________
5Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
6Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
713 − 4 = ?
Answer: ______________
818 − 17 = ?
Answer: ______________
916 − 12 = ?
Answer: ______________
1015 − 8 = ?
Answer: ______________
1118 − 3 = ?
Answer: ______________
12Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 0
- 3. 9
- 4. 4
- 5. 2
- 6. 3
- 7. 9
- 8. 1
- 9. 4
- 10. 7
- 11. 15
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20