πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 6 = ?
Answer: ______________
214 − 6 = ?
Answer: ______________
318 − 3 = ?
Answer: ______________
45 − 4 = ?
Answer: ______________
57 − 7 = ?
Answer: ______________
615 − 4 = ?
Answer: ______________
7Start at 12 and count back 2. Where do you land? (12 − 2)
Answer: ______________
8Start at 11 and count back 2. Where do you land? (11 − 2)
Answer: ______________
9Start at 8 and count back 3. Where do you land? (8 − 3)
Answer: ______________
1017 − 9 = ?
Answer: ______________
116 − 6 = ?
Answer: ______________
12Start at 8 and count back 2. Where do you land? (8 − 2)
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 8
- 3. 15
- 4. 1
- 5. 0
- 6. 11
- 7. 10
- 8. 9
- 9. 5
- 10. 8
- 11. 0
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20