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: 12 − 3 = 12 − 2 − ?
Answer: ______________
217 − 1 = ?
Answer: ______________
311 − 6 = ?
Answer: ______________
418 − 9 = ?
Answer: ______________
514 − 7 = ?
Answer: ______________
614 − 4 = ?
Answer: ______________
713 − 1 = ?
Answer: ______________
815 − 12 = ?
Answer: ______________
9Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
1013 − 5 = ?
Answer: ______________
1114 − 10 = ?
Answer: ______________
12Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 16
- 3. 5
- 4. 9
- 5. 7
- 6. 10
- 7. 12
- 8. 3
- 9. 3
- 10. 8
- 11. 4
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20