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: ____________
13 + 8 + 2 = ?
Answer: ______________
28 + 7 + 2 = 10 + ?
Answer: ______________
37 + 5 + 3 = 10 + ?
Answer: ______________
46 + 4 + 6 = ?
Answer: ______________
55 + 5 + 1 = ?
Answer: ______________
66 + 3 + 7 = ?
Answer: ______________
76 + 5 = 5 + ?
Answer: ______________
87 + 5 = 5 + ?
Answer: ______________
93 + 5 + 7 = 8 + ?
Answer: ______________
104 + 4 + 6 = 10 + ?
Answer: ______________
115 + 3 + 7 = ?
Answer: ______________
122 + 9 + 8 = 11 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 13
- 2. 7
- 3. 5
- 4. 16
- 5. 11
- 6. 16
- 7. 6
- 8. 7
- 9. 7
- 10. 4
- 11. 15
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties