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: 11 − 7 = 11 − 1 − ?
Answer: ______________
27 + 4 = ?
Answer: ______________
314 − 1 = ?
Answer: ______________
4Get to ten first: 12 − 9 = 12 − 2 − ?
Answer: ______________
57 + 5 = ?
Answer: ______________
616 − 6 = ?
Answer: ______________
720 − 11 = ?
Answer: ______________
810 + 4 = ?
Answer: ______________
95 + 7 = ?
Answer: ______________
10Near doubles: 3 + 3 = 6. So 3 + 4 = ?
Answer: ______________
11Make a ten: 6 + 5 = 6 + 4 + ?
Answer: ______________
12Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
Answer key: Facts to 20
- 1. 6
- 2. 11
- 3. 13
- 4. 7
- 5. 12
- 6. 10
- 7. 9
- 8. 14
- 9. 12
- 10. 7
- 11. 1
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20