πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
15 + 3 = ?
Answer: ______________
2Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
310 + 10 = ?
Answer: ______________
47 + 9 = ?
Answer: ______________
518 − 6 = ?
Answer: ______________
611 − 1 = ?
Answer: ______________
717 − 8 = ?
Answer: ______________
8Get to ten first: 11 − 7 = 11 − 1 − ?
Answer: ______________
914 − 10 = ?
Answer: ______________
1019 − 13 = ?
Answer: ______________
1119 − 8 = ?
Answer: ______________
12Get to ten first: 12 − 7 = 12 − 2 − ?
Answer: ______________
Answer key: Facts to 20
- 1. 8
- 2. 3
- 3. 20
- 4. 16
- 5. 12
- 6. 10
- 7. 9
- 8. 6
- 9. 4
- 10. 6
- 11. 11
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20