πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Start at 10 and count back 3. Where do you land? (10 − 3)
Answer: ______________
25 − 2 = ?
Answer: ______________
3Start at 15 and count back 2. Where do you land? (15 − 2)
Answer: ______________
410 − 9 = ?
Answer: ______________
513 − 5 = ?
Answer: ______________
614 − 7 = ?
Answer: ______________
7Start at 17 and count back 2. Where do you land? (17 − 2)
Answer: ______________
86 − 3 = ?
Answer: ______________
9Start at 13 and count back 2. Where do you land? (13 − 2)
Answer: ______________
1019 − 2 = ?
Answer: ______________
1116 − 9 = ?
Answer: ______________
126 − 5 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 7
- 2. 3
- 3. 13
- 4. 1
- 5. 8
- 6. 7
- 7. 15
- 8. 3
- 9. 11
- 10. 17
- 11. 7
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20