πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
112 − 12 = ?
Answer: ______________
220 − 11 = ?
Answer: ______________
316 − 8 = ?
Answer: ______________
415 − 2 = ?
Answer: ______________
5Get to ten first: 13 − 7 = 13 − 3 − ?
Answer: ______________
68 + 3 = ?
Answer: ______________
7Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
8Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
912 − 9 = ?
Answer: ______________
108 + 10 = ?
Answer: ______________
115 + 6 = ?
Answer: ______________
12Get to ten first: 11 − 9 = 11 − 1 − ?
Answer: ______________
Answer key: Facts to 20
- 1. 0
- 2. 9
- 3. 8
- 4. 13
- 5. 4
- 6. 11
- 7. 2
- 8. 5
- 9. 3
- 10. 18
- 11. 11
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20