πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 1 = ?
Answer: ______________
218 − 13 = ?
Answer: ______________
312 − 2 = ?
Answer: ______________
4Get to ten first: 11 − 7 = 11 − 1 − ?
Answer: ______________
515 − 13 = ?
Answer: ______________
612 − 4 = ?
Answer: ______________
711 − 9 = ?
Answer: ______________
816 − 9 = ?
Answer: ______________
912 − 7 = ?
Answer: ______________
1014 − 14 = ?
Answer: ______________
1119 − 4 = ?
Answer: ______________
12Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 15
- 2. 5
- 3. 10
- 4. 6
- 5. 2
- 6. 8
- 7. 2
- 8. 7
- 9. 5
- 10. 0
- 11. 15
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20