πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
19 − 8 = ?
Answer: ______________
26 − 1 = ?
Answer: ______________
317 − 1 = ?
Answer: ______________
412 − 3 = ?
Answer: ______________
520 − 6 = ?
Answer: ______________
610 − 5 = ?
Answer: ______________
720 − 3 = ?
Answer: ______________
820 − 7 = ?
Answer: ______________
99 − 7 = ?
Answer: ______________
1012 − 5 = ?
Answer: ______________
118 − 4 = ?
Answer: ______________
128 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 5
- 3. 16
- 4. 9
- 5. 14
- 6. 5
- 7. 17
- 8. 13
- 9. 2
- 10. 7
- 11. 4
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20