πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
115 − 5 = ?
Answer: ______________
215 − 7 = ?
Answer: ______________
316 − 16 = ?
Answer: ______________
416 − 7 = ?
Answer: ______________
516 − 1 = ?
Answer: ______________
612 − 1 = ?
Answer: ______________
717 − 8 = ?
Answer: ______________
819 − 2 = ?
Answer: ______________
917 − 6 = ?
Answer: ______________
10Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
1117 − 2 = ?
Answer: ______________
1220 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 10
- 2. 8
- 3. 0
- 4. 9
- 5. 15
- 6. 11
- 7. 9
- 8. 17
- 9. 11
- 10. 1
- 11. 15
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20