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: ____________
13 + 5 + 5 = ?
Answer: ______________
23 + 2 + 7 = ?
Answer: ______________
35 + 7 + 5 = ?
Answer: ______________
46 + 4 + 2 = ?
Answer: ______________
55 + 5 + 5 = ?
Answer: ______________
65 + 8 + 2 = ?
Answer: ______________
72 + 9 + 1 = ?
Answer: ______________
87 + 9 = 9 + ?
Answer: ______________
96 + 3 = 3 + ?
Answer: ______________
102 + 8 = 8 + ?
Answer: ______________
114 + 1 + 6 = ?
Answer: ______________
122 + 8 + 7 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 13
- 2. 12
- 3. 17
- 4. 12
- 5. 15
- 6. 15
- 7. 12
- 8. 7
- 9. 6
- 10. 2
- 11. 11
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties