πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
119 − 7 = ?
Answer: ______________
2Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
318 − 1 = ?
Answer: ______________
4Near doubles: 5 + 5 = 10. So 5 + 4 = ?
Answer: ______________
5Make a ten: 6 + 6 = 6 + 4 + ?
Answer: ______________
65 + 8 = ?
Answer: ______________
713 − 10 = ?
Answer: ______________
8Make a ten: 9 + 3 = 9 + 1 + ?
Answer: ______________
99 + 8 = ?
Answer: ______________
1011 − 5 = ?
Answer: ______________
119 + 9 = ?
Answer: ______________
129 + 6 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 12
- 2. 3
- 3. 17
- 4. 9
- 5. 2
- 6. 13
- 7. 3
- 8. 2
- 9. 17
- 10. 6
- 11. 18
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20