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: ____________
17 + 6 + 3 = ?
Answer: ______________
25 + 5 + 8 = ?
Answer: ______________
39 + 8 + 1 = 17 + ?
Answer: ______________
47 + 5 + 3 = 10 + ?
Answer: ______________
54 + 2 + 6 = 6 + ?
Answer: ______________
66 + 5 + 4 = 11 + ?
Answer: ______________
79 + 6 + 1 = ?
Answer: ______________
82 + 4 = 4 + ?
Answer: ______________
95 + 9 = 9 + ?
Answer: ______________
104 + 6 = 6 + ?
Answer: ______________
113 + 5 + 7 = 8 + ?
Answer: ______________
123 + 7 + 4 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 16
- 2. 18
- 3. 1
- 4. 5
- 5. 6
- 6. 4
- 7. 16
- 8. 2
- 9. 5
- 10. 4
- 11. 7
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties