πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
17 + 8 = ?
Answer: ______________
220 − 11 = ?
Answer: ______________
311 − 6 = ?
Answer: ______________
4Get to ten first: 12 − 7 = 12 − 2 − ?
Answer: ______________
5Get to ten first: 11 − 6 = 11 − 1 − ?
Answer: ______________
6Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
7Get to ten first: 11 − 7 = 11 − 1 − ?
Answer: ______________
88 + 10 = ?
Answer: ______________
99 + 4 = ?
Answer: ______________
1017 − 10 = ?
Answer: ______________
118 + 8 = ?
Answer: ______________
12Make a ten: 6 + 7 = 6 + 4 + ?
Answer: ______________
Answer key: Facts to 20
- 1. 15
- 2. 9
- 3. 5
- 4. 5
- 5. 5
- 6. 3
- 7. 6
- 8. 18
- 9. 13
- 10. 7
- 11. 16
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20