πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
119 − 11 = ?
Answer: ______________
218 − 17 = ?
Answer: ______________
316 − 12 = ?
Answer: ______________
416 − 16 = ?
Answer: ______________
513 − 5 = ?
Answer: ______________
617 − 13 = ?
Answer: ______________
718 − 3 = ?
Answer: ______________
814 − 1 = ?
Answer: ______________
918 − 15 = ?
Answer: ______________
1018 − 16 = ?
Answer: ______________
11Get to ten first: 15 − 9 = 15 − 5 − ?
Answer: ______________
1212 − 1 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 1
- 3. 4
- 4. 0
- 5. 8
- 6. 4
- 7. 15
- 8. 13
- 9. 3
- 10. 2
- 11. 4
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20