πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
214 − 2 = ?
Answer: ______________
311 − 3 = ?
Answer: ______________
411 − 9 = ?
Answer: ______________
517 − 1 = ?
Answer: ______________
615 − 15 = ?
Answer: ______________
720 − 9 = ?
Answer: ______________
819 − 8 = ?
Answer: ______________
912 − 7 = ?
Answer: ______________
10Get to ten first: 11 − 8 = 11 − 1 − ?
Answer: ______________
1112 − 6 = ?
Answer: ______________
1212 − 5 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 12
- 3. 8
- 4. 2
- 5. 16
- 6. 0
- 7. 11
- 8. 11
- 9. 5
- 10. 7
- 11. 6
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20