πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
119 − 3 = ?
Answer: ______________
25 + 4 = ?
Answer: ______________
310 + 6 = ?
Answer: ______________
49 + 5 = ?
Answer: ______________
510 + 10 = ?
Answer: ______________
6Near doubles: 6 + 6 = 12. So 6 + 7 = ?
Answer: ______________
713 − 9 = ?
Answer: ______________
810 + 3 = ?
Answer: ______________
915 − 6 = ?
Answer: ______________
10Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
118 + 3 = ?
Answer: ______________
12Get to ten first: 14 − 6 = 14 − 4 − ?
Answer: ______________
Answer key: Facts to 20
- 1. 16
- 2. 9
- 3. 16
- 4. 14
- 5. 20
- 6. 13
- 7. 4
- 8. 13
- 9. 9
- 10. 3
- 11. 11
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20