πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
115 − 1 = ?
Answer: ______________
217 − 10 = ?
Answer: ______________
314 − 7 = ?
Answer: ______________
413 − 5 = ?
Answer: ______________
5Get to ten first: 14 − 9 = 14 − 4 − ?
Answer: ______________
617 − 6 = ?
Answer: ______________
713 − 12 = ?
Answer: ______________
814 − 13 = ?
Answer: ______________
918 − 13 = ?
Answer: ______________
10Get to ten first: 15 − 7 = 15 − 5 − ?
Answer: ______________
1112 − 8 = ?
Answer: ______________
1215 − 2 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 14
- 2. 7
- 3. 7
- 4. 8
- 5. 5
- 6. 11
- 7. 1
- 8. 1
- 9. 5
- 10. 2
- 11. 4
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20