πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
111 − 4 = ?
Answer: ______________
2Near doubles: 9 + 9 = 18. So 9 + 8 = ?
Answer: ______________
310 + 7 = ?
Answer: ______________
4Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
56 + 6 = ?
Answer: ______________
611 − 11 = ?
Answer: ______________
7Get to ten first: 14 − 9 = 14 − 4 − ?
Answer: ______________
8Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
97 + 5 = ?
Answer: ______________
1019 − 19 = ?
Answer: ______________
11Get to ten first: 15 − 9 = 15 − 5 − ?
Answer: ______________
1212 − 5 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 7
- 2. 17
- 3. 17
- 4. 5
- 5. 12
- 6. 0
- 7. 5
- 8. 6
- 9. 12
- 10. 0
- 11. 4
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20