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 + 5 + 7 = ?
Answer: ______________
28 + 7 + 2 = 10 + ?
Answer: ______________
32 + 3 + 7 = ?
Answer: ______________
47 + 5 + 3 = 10 + ?
Answer: ______________
59 + 9 + 1 = ?
Answer: ______________
62 + 8 = 8 + ?
Answer: ______________
72 + 5 + 8 = 7 + ?
Answer: ______________
83 + 7 + 7 = 10 + ?
Answer: ______________
95 + 8 = 8 + ?
Answer: ______________
106 + 4 + 6 = ?
Answer: ______________
116 + 9 = 9 + ?
Answer: ______________
124 + 3 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 17
- 2. 7
- 3. 12
- 4. 5
- 5. 19
- 6. 2
- 7. 8
- 8. 7
- 9. 5
- 10. 16
- 11. 6
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties