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: ____________
18 + 6 + 2 = 6 + ?
Answer: ______________
23 + 7 + 1 = ?
Answer: ______________
32 + 6 + 8 = 6 + ?
Answer: ______________
49 + 3 = 3 + ?
Answer: ______________
58 + 2 + 8 = ?
Answer: ______________
67 + 8 + 3 = 8 + ?
Answer: ______________
79 + 1 + 1 = ?
Answer: ______________
82 + 4 + 8 = 4 + ?
Answer: ______________
97 + 9 + 3 = ?
Answer: ______________
101 + 2 + 8 = ?
Answer: ______________
116 + 6 = 6 + ?
Answer: ______________
127 + 6 + 3 = 6 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 11
- 3. 10
- 4. 9
- 5. 18
- 6. 10
- 7. 11
- 8. 10
- 9. 19
- 10. 11
- 11. 6
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties