πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
114 − 1 = ?
Answer: ______________
2Start at 17 and count back 3. Where do you land? (17 − 3)
Answer: ______________
38 − 2 = ?
Answer: ______________
420 − 1 = ?
Answer: ______________
513 − 3 = ?
Answer: ______________
610 − 7 = ?
Answer: ______________
7Start at 18 and count back 3. Where do you land? (18 − 3)
Answer: ______________
8Start at 15 and count back 3. Where do you land? (15 − 3)
Answer: ______________
9Start at 13 and count back 2. Where do you land? (13 − 2)
Answer: ______________
1012 − 8 = ?
Answer: ______________
11Start at 8 and count back 3. Where do you land? (8 − 3)
Answer: ______________
1212 − 9 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 13
- 2. 14
- 3. 6
- 4. 19
- 5. 10
- 6. 3
- 7. 15
- 8. 12
- 9. 11
- 10. 4
- 11. 5
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20