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: 17 − 8 = 17 − 7 − ?
Answer: ______________
212 − 6 = ?
Answer: ______________
320 − 8 = ?
Answer: ______________
47 + 9 = ?
Answer: ______________
515 − 12 = ?
Answer: ______________
616 − 14 = ?
Answer: ______________
7Make a ten: 8 + 8 = 8 + 2 + ?
Answer: ______________
813 − 8 = ?
Answer: ______________
911 − 2 = ?
Answer: ______________
10Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
117 + 3 = ?
Answer: ______________
1219 − 5 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 1
- 2. 6
- 3. 12
- 4. 16
- 5. 3
- 6. 2
- 7. 6
- 8. 5
- 9. 9
- 10. 5
- 11. 10
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20