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: 11 − 4 = 11 − 1 − ?
Answer: ______________
211 − 4 = ?
Answer: ______________
311 − 8 = ?
Answer: ______________
412 − 9 = ?
Answer: ______________
512 − 6 = ?
Answer: ______________
6Get to ten first: 11 − 6 = 11 − 1 − ?
Answer: ______________
720 − 9 = ?
Answer: ______________
817 − 4 = ?
Answer: ______________
917 − 5 = ?
Answer: ______________
1013 − 6 = ?
Answer: ______________
1113 − 12 = ?
Answer: ______________
1216 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 7
- 3. 3
- 4. 3
- 5. 6
- 6. 5
- 7. 11
- 8. 13
- 9. 12
- 10. 7
- 11. 1
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20