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 + 4 = 4 + ?
Answer: ______________
27 + 3 + 9 = ?
Answer: ______________
34 + 3 = 3 + ?
Answer: ______________
45 + 5 + 5 = 10 + ?
Answer: ______________
54 + 2 = 2 + ?
Answer: ______________
65 + 2 = 2 + ?
Answer: ______________
72 + 8 + 8 = ?
Answer: ______________
82 + 9 + 1 = ?
Answer: ______________
94 + 6 + 8 = ?
Answer: ______________
104 + 1 + 6 = ?
Answer: ______________
119 + 3 + 1 = 10 + ?
Answer: ______________
125 + 7 + 5 = 12 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 19
- 3. 4
- 4. 5
- 5. 4
- 6. 5
- 7. 18
- 8. 12
- 9. 18
- 10. 11
- 11. 3
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties