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: ____________
15 + 7 + 5 = 7 + ?
Answer: ______________
26 + 5 + 5 = ?
Answer: ______________
34 + 7 = 7 + ?
Answer: ______________
44 + 7 + 3 = ?
Answer: ______________
57 + 6 + 3 = 6 + ?
Answer: ______________
68 + 3 + 2 = 3 + ?
Answer: ______________
79 + 1 + 7 = ?
Answer: ______________
87 + 3 + 7 = ?
Answer: ______________
94 + 1 + 6 = ?
Answer: ______________
105 + 4 = 4 + ?
Answer: ______________
117 + 8 = 8 + ?
Answer: ______________
126 + 5 = 5 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 16
- 3. 4
- 4. 14
- 5. 10
- 6. 10
- 7. 17
- 8. 17
- 9. 11
- 10. 5
- 11. 7
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties