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: ____________
14 + 5 + 5 = ?
Answer: ______________
23 + 7 + 2 = ?
Answer: ______________
35 + 9 + 5 = 9 + ?
Answer: ______________
49 + 3 + 1 = 3 + ?
Answer: ______________
51 + 9 + 3 = ?
Answer: ______________
65 + 6 = 6 + ?
Answer: ______________
77 + 7 = 7 + ?
Answer: ______________
85 + 7 + 5 = 7 + ?
Answer: ______________
97 + 8 + 3 = ?
Answer: ______________
109 + 2 = 2 + ?
Answer: ______________
113 + 2 + 7 = 2 + ?
Answer: ______________
127 + 3 + 3 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 14
- 2. 12
- 3. 10
- 4. 10
- 5. 13
- 6. 5
- 7. 7
- 8. 10
- 9. 18
- 10. 9
- 11. 10
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties