πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 11 = ?
Answer: ______________
217 − 14 = ?
Answer: ______________
314 − 6 = ?
Answer: ______________
415 − 12 = ?
Answer: ______________
520 − 7 = ?
Answer: ______________
611 − 4 = ?
Answer: ______________
718 − 4 = ?
Answer: ______________
8Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
9Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
1018 − 1 = ?
Answer: ______________
1116 − 1 = ?
Answer: ______________
12Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 7
- 2. 3
- 3. 8
- 4. 3
- 5. 13
- 6. 7
- 7. 14
- 8. 2
- 9. 1
- 10. 17
- 11. 15
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20