πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
15 + 3 = ?
Answer: ______________
211 − 3 = ?
Answer: ______________
314 − 11 = ?
Answer: ______________
417 − 13 = ?
Answer: ______________
5Near doubles: 5 + 5 = 10. So 5 + 4 = ?
Answer: ______________
610 + 5 = ?
Answer: ______________
7Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
818 − 18 = ?
Answer: ______________
912 − 2 = ?
Answer: ______________
1012 − 7 = ?
Answer: ______________
1119 − 19 = ?
Answer: ______________
12Get to ten first: 12 − 3 = 12 − 2 − ?
Answer: ______________
Answer key: Facts to 20
- 1. 8
- 2. 8
- 3. 3
- 4. 4
- 5. 9
- 6. 15
- 7. 5
- 8. 0
- 9. 10
- 10. 5
- 11. 0
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20