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 + 5 + 5 = ?
Answer: ______________
22 + 9 + 8 = 9 + ?
Answer: ______________
35 + 2 = 2 + ?
Answer: ______________
45 + 5 + 5 = ?
Answer: ______________
54 + 9 + 6 = ?
Answer: ______________
67 + 2 + 3 = ?
Answer: ______________
79 + 3 + 1 = ?
Answer: ______________
82 + 4 + 8 = 4 + ?
Answer: ______________
97 + 8 = 8 + ?
Answer: ______________
109 + 8 + 1 = 8 + ?
Answer: ______________
116 + 2 + 4 = 2 + ?
Answer: ______________
126 + 3 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 18
- 2. 10
- 3. 5
- 4. 15
- 5. 19
- 6. 12
- 7. 13
- 8. 10
- 9. 7
- 10. 10
- 11. 10
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties