πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
120 − 3 = ?
Answer: ______________
2Get to ten first: 11 − 2 = 11 − 1 − ?
Answer: ______________
311 − 4 = ?
Answer: ______________
414 − 13 = ?
Answer: ______________
5Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
617 − 17 = ?
Answer: ______________
711 − 7 = ?
Answer: ______________
814 − 8 = ?
Answer: ______________
916 − 14 = ?
Answer: ______________
10Get to ten first: 12 − 8 = 12 − 2 − ?
Answer: ______________
1111 − 8 = ?
Answer: ______________
12Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 17
- 2. 1
- 3. 7
- 4. 1
- 5. 6
- 6. 0
- 7. 4
- 8. 6
- 9. 2
- 10. 6
- 11. 3
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20