πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 9 = ?
Answer: ______________
211 − 9 = ?
Answer: ______________
313 − 7 = ?
Answer: ______________
420 − 18 = ?
Answer: ______________
516 − 14 = ?
Answer: ______________
613 − 3 = ?
Answer: ______________
715 − 4 = ?
Answer: ______________
8Get to ten first: 15 − 9 = 15 − 5 − ?
Answer: ______________
9Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
1017 − 5 = ?
Answer: ______________
1118 − 10 = ?
Answer: ______________
12Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 9
- 2. 2
- 3. 6
- 4. 2
- 5. 2
- 6. 10
- 7. 11
- 8. 4
- 9. 1
- 10. 12
- 11. 8
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20