πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 2 = ?
Answer: ______________
214 − 9 = ?
Answer: ______________
36 − 2 = ?
Answer: ______________
46 − 3 = ?
Answer: ______________
518 − 4 = ?
Answer: ______________
620 − 2 = ?
Answer: ______________
718 − 3 = ?
Answer: ______________
820 − 1 = ?
Answer: ______________
916 − 3 = ?
Answer: ______________
105 − 4 = ?
Answer: ______________
1117 − 7 = ?
Answer: ______________
128 − 1 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 10
- 2. 5
- 3. 4
- 4. 3
- 5. 14
- 6. 18
- 7. 15
- 8. 19
- 9. 13
- 10. 1
- 11. 10
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20