πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
19 − 9 = ?
Answer: ______________
2Start at 10 and count back 3. Where do you land? (10 − 3)
Answer: ______________
36 − 6 = ?
Answer: ______________
419 − 8 = ?
Answer: ______________
58 − 2 = ?
Answer: ______________
611 − 8 = ?
Answer: ______________
716 − 2 = ?
Answer: ______________
812 − 9 = ?
Answer: ______________
9Start at 15 and count back 2. Where do you land? (15 − 2)
Answer: ______________
1015 − 9 = ?
Answer: ______________
117 − 6 = ?
Answer: ______________
12Start at 9 and count back 2. Where do you land? (9 − 2)
Answer: ______________
Answer key: Subtract within 20
- 1. 0
- 2. 7
- 3. 0
- 4. 11
- 5. 6
- 6. 3
- 7. 14
- 8. 3
- 9. 13
- 10. 6
- 11. 1
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20