πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 4 = ?
Answer: ______________
211 − 3 = ?
Answer: ______________
320 − 5 = ?
Answer: ______________
4Get to ten first: 12 − 5 = 12 − 2 − ?
Answer: ______________
518 − 15 = ?
Answer: ______________
611 − 2 = ?
Answer: ______________
7Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
815 − 14 = ?
Answer: ______________
917 − 8 = ?
Answer: ______________
1018 − 12 = ?
Answer: ______________
1112 − 5 = ?
Answer: ______________
1216 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 14
- 2. 8
- 3. 15
- 4. 3
- 5. 3
- 6. 9
- 7. 1
- 8. 1
- 9. 9
- 10. 6
- 11. 7
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20