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 + 2 = 2 + ?
Answer: ______________
24 + 4 + 6 = 8 + ?
Answer: ______________
39 + 3 = 3 + ?
Answer: ______________
42 + 5 = 5 + ?
Answer: ______________
55 + 2 = 2 + ?
Answer: ______________
65 + 5 + 8 = ?
Answer: ______________
72 + 9 + 8 = ?
Answer: ______________
82 + 6 = 6 + ?
Answer: ______________
99 + 8 = 8 + ?
Answer: ______________
106 + 2 + 4 = ?
Answer: ______________
113 + 2 + 7 = 5 + ?
Answer: ______________
122 + 2 = 2 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 6
- 3. 9
- 4. 2
- 5. 5
- 6. 18
- 7. 19
- 8. 2
- 9. 9
- 10. 12
- 11. 7
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties