πagarwalmath · 1st grade · Common Core 1.OA.B.3
🔄 Turn-around and make-ten
Use properties (3 + 8 = 8 + 3; make a ten first)
Name: ______________________Date: ____________
15 + 3 = 3 + ?
Answer: ______________
25 + 1 + 9 = ?
Answer: ______________
34 + 6 + 6 = ?
Answer: ______________
46 + 4 = 4 + ?
Answer: ______________
53 + 6 + 7 = 6 + ?
Answer: ______________
62 + 5 + 8 = 5 + ?
Answer: ______________
78 + 7 + 2 = 7 + ?
Answer: ______________
85 + 7 + 5 = 7 + ?
Answer: ______________
97 + 5 = 5 + ?
Answer: ______________
102 + 8 + 8 = ?
Answer: ______________
118 + 9 + 2 = 9 + ?
Answer: ______________
121 + 9 + 1 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 5
- 2. 15
- 3. 16
- 4. 6
- 5. 10
- 6. 10
- 7. 10
- 8. 10
- 9. 7
- 10. 18
- 11. 10
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties