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 = 6 + ?
Answer: ______________
28 + 8 + 2 = 16 + ?
Answer: ______________
37 + 2 + 3 = ?
Answer: ______________
46 + 5 + 4 = 11 + ?
Answer: ______________
58 + 9 + 2 = ?
Answer: ______________
66 + 6 + 4 = 12 + ?
Answer: ______________
75 + 2 + 5 = ?
Answer: ______________
88 + 5 + 2 = 10 + ?
Answer: ______________
94 + 8 + 6 = 12 + ?
Answer: ______________
104 + 2 = 2 + ?
Answer: ______________
117 + 5 + 3 = 10 + ?
Answer: ______________
127 + 6 + 3 = 13 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 8
- 2. 2
- 3. 12
- 4. 4
- 5. 19
- 6. 4
- 7. 12
- 8. 5
- 9. 6
- 10. 4
- 11. 5
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties