πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Start at 8 and count back 3. Where do you land? (8 − 3)
Answer: ______________
217 − 5 = ?
Answer: ______________
36 − 4 = ?
Answer: ______________
410 − 6 = ?
Answer: ______________
520 − 3 = ?
Answer: ______________
65 − 4 = ?
Answer: ______________
7Start at 9 and count back 2. Where do you land? (9 − 2)
Answer: ______________
88 − 8 = ?
Answer: ______________
912 − 6 = ?
Answer: ______________
106 − 5 = ?
Answer: ______________
1117 − 8 = ?
Answer: ______________
1218 − 1 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 12
- 3. 2
- 4. 4
- 5. 17
- 6. 1
- 7. 7
- 8. 0
- 9. 6
- 10. 1
- 11. 9
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20