πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
114 − 7 = ?
Answer: ______________
217 − 6 = ?
Answer: ______________
320 − 6 = ?
Answer: ______________
414 − 5 = ?
Answer: ______________
512 − 12 = ?
Answer: ______________
614 − 12 = ?
Answer: ______________
712 − 1 = ?
Answer: ______________
819 − 8 = ?
Answer: ______________
913 − 3 = ?
Answer: ______________
1020 − 10 = ?
Answer: ______________
1116 − 1 = ?
Answer: ______________
12Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 7
- 2. 11
- 3. 14
- 4. 9
- 5. 0
- 6. 2
- 7. 11
- 8. 11
- 9. 10
- 10. 10
- 11. 15
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20