πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
111 − 10 = ?
Answer: ______________
212 − 12 = ?
Answer: ______________
317 − 2 = ?
Answer: ______________
4Near doubles: 9 + 9 = 18. So 9 + 10 = ?
Answer: ______________
57 + 10 = ?
Answer: ______________
6Make a ten: 6 + 8 = 6 + 4 + ?
Answer: ______________
712 − 11 = ?
Answer: ______________
87 + 6 = ?
Answer: ______________
919 − 12 = ?
Answer: ______________
1010 + 8 = ?
Answer: ______________
119 + 5 = ?
Answer: ______________
12Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
Answer key: Facts to 20
- 1. 1
- 2. 0
- 3. 15
- 4. 19
- 5. 17
- 6. 4
- 7. 1
- 8. 13
- 9. 7
- 10. 18
- 11. 14
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20