πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
16 − 4 = ?
Answer: ______________
212 − 6 = ?
Answer: ______________
39 − 3 = ?
Answer: ______________
410 − 7 = ?
Answer: ______________
513 − 5 = ?
Answer: ______________
66 − 6 = ?
Answer: ______________
7Start at 11 and count back 2. Where do you land? (11 − 2)
Answer: ______________
819 − 3 = ?
Answer: ______________
99 − 8 = ?
Answer: ______________
1011 − 1 = ?
Answer: ______________
1117 − 6 = ?
Answer: ______________
1213 − 7 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 6
- 3. 6
- 4. 3
- 5. 8
- 6. 0
- 7. 9
- 8. 16
- 9. 1
- 10. 10
- 11. 11
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20