πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
120 − 14 = ?
Answer: ______________
29 + 5 = ?
Answer: ______________
312 − 8 = ?
Answer: ______________
4Get to ten first: 11 − 7 = 11 − 1 − ?
Answer: ______________
57 + 6 = ?
Answer: ______________
65 + 7 = ?
Answer: ______________
78 + 9 = ?
Answer: ______________
8Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
9Get to ten first: 13 − 7 = 13 − 3 − ?
Answer: ______________
10Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
11Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
12Get to ten first: 12 − 3 = 12 − 2 − ?
Answer: ______________
Answer key: Facts to 20
- 1. 6
- 2. 14
- 3. 4
- 4. 6
- 5. 13
- 6. 12
- 7. 17
- 8. 6
- 9. 4
- 10. 1
- 11. 4
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20