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 + 2 + 7 = 2 + ?
Answer: ______________
27 + 9 + 3 = 9 + ?
Answer: ______________
35 + 4 + 5 = 4 + ?
Answer: ______________
43 + 3 + 7 = ?
Answer: ______________
57 + 6 = 6 + ?
Answer: ______________
67 + 7 = 7 + ?
Answer: ______________
71 + 2 + 8 = ?
Answer: ______________
89 + 1 + 9 = ?
Answer: ______________
98 + 3 + 2 = 3 + ?
Answer: ______________
106 + 4 + 4 = 4 + ?
Answer: ______________
116 + 7 + 4 = 7 + ?
Answer: ______________
125 + 8 + 5 = 8 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 10
- 3. 10
- 4. 13
- 5. 7
- 6. 7
- 7. 11
- 8. 19
- 9. 10
- 10. 10
- 11. 10
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties