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: ____________
12 + 1 + 9 = ?
Answer: ______________
23 + 7 + 1 = ?
Answer: ______________
39 + 1 + 4 = ?
Answer: ______________
46 + 7 = 7 + ?
Answer: ______________
57 + 3 = 3 + ?
Answer: ______________
65 + 5 + 2 = ?
Answer: ______________
79 + 6 + 1 = 6 + ?
Answer: ______________
81 + 9 + 6 = ?
Answer: ______________
94 + 9 + 6 = 9 + ?
Answer: ______________
107 + 7 = 7 + ?
Answer: ______________
115 + 8 + 5 = 8 + ?
Answer: ______________
123 + 7 + 3 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 12
- 2. 11
- 3. 14
- 4. 6
- 5. 7
- 6. 12
- 7. 10
- 8. 16
- 9. 10
- 10. 7
- 11. 10
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties