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: ____________
18 + 3 + 2 = ?
Answer: ______________
29 + 7 = 7 + ?
Answer: ______________
35 + 5 = 5 + ?
Answer: ______________
44 + 5 + 6 = ?
Answer: ______________
54 + 3 = 3 + ?
Answer: ______________
67 + 2 = 2 + ?
Answer: ______________
78 + 2 = 2 + ?
Answer: ______________
85 + 5 + 8 = ?
Answer: ______________
97 + 8 + 3 = 15 + ?
Answer: ______________
106 + 7 + 4 = 10 + ?
Answer: ______________
117 + 4 = 4 + ?
Answer: ______________
125 + 5 + 3 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 13
- 2. 9
- 3. 5
- 4. 15
- 5. 4
- 6. 7
- 7. 8
- 8. 18
- 9. 3
- 10. 7
- 11. 7
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties