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 − 5 = 11 − 1 − ?
Answer: ______________
220 − 12 = ?
Answer: ______________
320 − 19 = ?
Answer: ______________
413 − 8 = ?
Answer: ______________
517 − 14 = ?
Answer: ______________
617 − 17 = ?
Answer: ______________
712 − 1 = ?
Answer: ______________
8Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
917 − 13 = ?
Answer: ______________
1018 − 2 = ?
Answer: ______________
1120 − 3 = ?
Answer: ______________
1212 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 4
- 2. 8
- 3. 1
- 4. 5
- 5. 3
- 6. 0
- 7. 11
- 8. 1
- 9. 4
- 10. 16
- 11. 17
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20