πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Get to ten first: 13 − 6 = 13 − 3 − ?
Answer: ______________
28 + 8 = ?
Answer: ______________
320 − 9 = ?
Answer: ______________
416 − 3 = ?
Answer: ______________
5Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
617 − 9 = ?
Answer: ______________
7Make a ten: 8 + 9 = 8 + 2 + ?
Answer: ______________
8Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
914 − 4 = ?
Answer: ______________
10Near doubles: 5 + 5 = 10. So 5 + 6 = ?
Answer: ______________
11Make a ten: 7 + 8 = 7 + 3 + ?
Answer: ______________
12Make a ten: 6 + 8 = 6 + 4 + ?
Answer: ______________
Answer key: Facts to 20
- 1. 3
- 2. 16
- 3. 11
- 4. 13
- 5. 2
- 6. 8
- 7. 7
- 8. 1
- 9. 10
- 10. 11
- 11. 5
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20