πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
18 − 7 = ?
Answer: ______________
210 − 7 = ?
Answer: ______________
310 − 8 = ?
Answer: ______________
420 − 4 = ?
Answer: ______________
56 − 4 = ?
Answer: ______________
67 − 5 = ?
Answer: ______________
79 − 7 = ?
Answer: ______________
88 − 5 = ?
Answer: ______________
95 − 1 = ?
Answer: ______________
1011 − 9 = ?
Answer: ______________
1111 − 3 = ?
Answer: ______________
128 − 1 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 3
- 3. 2
- 4. 16
- 5. 2
- 6. 2
- 7. 2
- 8. 3
- 9. 4
- 10. 2
- 11. 8
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20