πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
17 + 5 = ?
Answer: ______________
2Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
316 − 16 = ?
Answer: ______________
415 − 10 = ?
Answer: ______________
58 + 5 = ?
Answer: ______________
67 + 4 = ?
Answer: ______________
7Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
8Get to ten first: 12 − 5 = 12 − 2 − ?
Answer: ______________
9Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
1018 − 17 = ?
Answer: ______________
11Near doubles: 6 + 6 = 12. So 6 + 7 = ?
Answer: ______________
12Make a ten: 7 + 4 = 7 + 3 + ?
Answer: ______________
Answer key: Facts to 20
- 1. 12
- 2. 2
- 3. 0
- 4. 5
- 5. 13
- 6. 11
- 7. 1
- 8. 3
- 9. 3
- 10. 1
- 11. 13
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20