πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
114 − 1 = ?
Answer: ______________
2Get to ten first: 15 − 9 = 15 − 5 − ?
Answer: ______________
39 + 10 = ?
Answer: ______________
48 + 9 = ?
Answer: ______________
510 + 10 = ?
Answer: ______________
619 − 18 = ?
Answer: ______________
75 + 5 = ?
Answer: ______________
8Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
917 − 2 = ?
Answer: ______________
10Get to ten first: 13 − 5 = 13 − 3 − ?
Answer: ______________
11Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
126 + 4 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 13
- 2. 4
- 3. 19
- 4. 17
- 5. 20
- 6. 1
- 7. 10
- 8. 4
- 9. 15
- 10. 2
- 11. 1
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20