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 + 3 + 7 = 3 + ?
Answer: ______________
22 + 3 + 8 = 3 + ?
Answer: ______________
38 + 5 + 2 = 5 + ?
Answer: ______________
47 + 4 = 4 + ?
Answer: ______________
57 + 2 + 3 = 2 + ?
Answer: ______________
63 + 4 = 4 + ?
Answer: ______________
78 + 2 + 2 = ?
Answer: ______________
83 + 9 + 7 = 9 + ?
Answer: ______________
98 + 2 + 3 = ?
Answer: ______________
105 + 9 + 5 = 9 + ?
Answer: ______________
114 + 6 + 8 = ?
Answer: ______________
127 + 4 + 6 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 10
- 3. 10
- 4. 7
- 5. 10
- 6. 3
- 7. 12
- 8. 10
- 9. 13
- 10. 10
- 11. 18
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties