πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 4 = ?
Answer: ______________
213 − 6 = ?
Answer: ______________
3Start at 13 and count back 2. Where do you land? (13 − 2)
Answer: ______________
411 − 8 = ?
Answer: ______________
59 − 4 = ?
Answer: ______________
6Start at 11 and count back 2. Where do you land? (11 − 2)
Answer: ______________
75 − 5 = ?
Answer: ______________
819 − 1 = ?
Answer: ______________
9Start at 10 and count back 3. Where do you land? (10 − 3)
Answer: ______________
10Start at 17 and count back 3. Where do you land? (17 − 3)
Answer: ______________
118 − 7 = ?
Answer: ______________
12Start at 14 and count back 3. Where do you land? (14 − 3)
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 7
- 3. 11
- 4. 3
- 5. 5
- 6. 9
- 7. 0
- 8. 18
- 9. 7
- 10. 14
- 11. 1
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20