πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
113 − 2 = ?
Answer: ______________
212 − 11 = ?
Answer: ______________
317 − 2 = ?
Answer: ______________
412 − 2 = ?
Answer: ______________
5Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
6Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
718 − 5 = ?
Answer: ______________
818 − 12 = ?
Answer: ______________
913 − 4 = ?
Answer: ______________
1018 − 11 = ?
Answer: ______________
1113 − 1 = ?
Answer: ______________
12Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 11
- 2. 1
- 3. 15
- 4. 10
- 5. 6
- 6. 2
- 7. 13
- 8. 6
- 9. 9
- 10. 7
- 11. 12
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20