πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
19 + 8 = ?
Answer: ______________
25 + 10 = ?
Answer: ______________
3Near doubles: 8 + 8 = 16. So 8 + 9 = ?
Answer: ______________
4Near doubles: 6 + 6 = 12. So 6 + 5 = ?
Answer: ______________
5Get to ten first: 11 − 2 = 11 − 1 − ?
Answer: ______________
617 − 12 = ?
Answer: ______________
713 − 3 = ?
Answer: ______________
8Get to ten first: 15 − 9 = 15 − 5 − ?
Answer: ______________
96 + 9 = ?
Answer: ______________
106 + 4 = ?
Answer: ______________
115 + 5 = ?
Answer: ______________
1217 − 10 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 17
- 2. 15
- 3. 17
- 4. 11
- 5. 1
- 6. 5
- 7. 10
- 8. 4
- 9. 15
- 10. 10
- 11. 10
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20