πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
117 − 9 = ?
Answer: ______________
220 − 9 = ?
Answer: ______________
320 − 4 = ?
Answer: ______________
412 − 4 = ?
Answer: ______________
517 − 2 = ?
Answer: ______________
615 − 7 = ?
Answer: ______________
719 − 4 = ?
Answer: ______________
88 − 1 = ?
Answer: ______________
915 − 5 = ?
Answer: ______________
1020 − 3 = ?
Answer: ______________
119 − 2 = ?
Answer: ______________
125 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 11
- 3. 16
- 4. 8
- 5. 15
- 6. 8
- 7. 15
- 8. 7
- 9. 10
- 10. 17
- 11. 7
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20