πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 6 = ?
Answer: ______________
211 − 5 = ?
Answer: ______________
318 − 10 = ?
Answer: ______________
4Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
516 − 15 = ?
Answer: ______________
616 − 9 = ?
Answer: ______________
717 − 10 = ?
Answer: ______________
8Get to ten first: 12 − 9 = 12 − 2 − ?
Answer: ______________
920 − 10 = ?
Answer: ______________
1014 − 6 = ?
Answer: ______________
1113 − 9 = ?
Answer: ______________
1216 − 16 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 6
- 3. 8
- 4. 2
- 5. 1
- 6. 7
- 7. 7
- 8. 7
- 9. 10
- 10. 8
- 11. 4
- 12. 0
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20