πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 8 = ?
Answer: ______________
212 − 2 = ?
Answer: ______________
315 − 1 = ?
Answer: ______________
418 − 8 = ?
Answer: ______________
520 − 2 = ?
Answer: ______________
66 − 2 = ?
Answer: ______________
75 − 3 = ?
Answer: ______________
812 − 4 = ?
Answer: ______________
98 − 4 = ?
Answer: ______________
109 − 2 = ?
Answer: ______________
1110 − 3 = ?
Answer: ______________
1218 − 2 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 4
- 2. 10
- 3. 14
- 4. 10
- 5. 18
- 6. 4
- 7. 2
- 8. 8
- 9. 4
- 10. 7
- 11. 7
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20