πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
110 − 7 = ?
Answer: ______________
217 − 8 = ?
Answer: ______________
318 − 8 = ?
Answer: ______________
48 − 5 = ?
Answer: ______________
520 − 4 = ?
Answer: ______________
612 − 4 = ?
Answer: ______________
710 − 4 = ?
Answer: ______________
819 − 7 = ?
Answer: ______________
912 − 5 = ?
Answer: ______________
108 − 1 = ?
Answer: ______________
1120 − 9 = ?
Answer: ______________
129 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 9
- 3. 10
- 4. 3
- 5. 16
- 6. 8
- 7. 6
- 8. 12
- 9. 7
- 10. 7
- 11. 11
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20