πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Get to ten first: 15 − 9 = 15 − 5 − ?
Answer: ______________
28 + 3 = ?
Answer: ______________
3Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
413 − 13 = ?
Answer: ______________
515 − 11 = ?
Answer: ______________
610 + 5 = ?
Answer: ______________
7Get to ten first: 11 − 3 = 11 − 1 − ?
Answer: ______________
85 + 6 = ?
Answer: ______________
912 − 6 = ?
Answer: ______________
1015 − 3 = ?
Answer: ______________
11Make a ten: 9 + 3 = 9 + 1 + ?
Answer: ______________
1219 − 18 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 4
- 2. 11
- 3. 3
- 4. 0
- 5. 4
- 6. 15
- 7. 2
- 8. 11
- 9. 6
- 10. 12
- 11. 2
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20