πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 3 = ?
Answer: ______________
217 − 6 = ?
Answer: ______________
316 − 3 = ?
Answer: ______________
412 − 9 = ?
Answer: ______________
5Get to ten first: 14 − 7 = 14 − 4 − ?
Answer: ______________
6Get to ten first: 14 − 6 = 14 − 4 − ?
Answer: ______________
716 − 9 = ?
Answer: ______________
8Get to ten first: 15 − 7 = 15 − 5 − ?
Answer: ______________
917 − 15 = ?
Answer: ______________
1020 − 12 = ?
Answer: ______________
1118 − 11 = ?
Answer: ______________
12Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 15
- 2. 11
- 3. 13
- 4. 3
- 5. 3
- 6. 2
- 7. 7
- 8. 2
- 9. 2
- 10. 8
- 11. 7
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20