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 + 1 + 9 = ?
Answer: ______________
22 + 9 + 1 = ?
Answer: ______________
35 + 4 + 5 = ?
Answer: ______________
47 + 8 = 8 + ?
Answer: ______________
55 + 6 + 5 = ?
Answer: ______________
63 + 8 = 8 + ?
Answer: ______________
75 + 1 + 9 = ?
Answer: ______________
83 + 7 = 7 + ?
Answer: ______________
98 + 6 + 2 = 6 + ?
Answer: ______________
104 + 3 = 3 + ?
Answer: ______________
113 + 5 + 7 = 5 + ?
Answer: ______________
122 + 6 + 8 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 18
- 2. 12
- 3. 14
- 4. 7
- 5. 16
- 6. 3
- 7. 15
- 8. 3
- 9. 10
- 10. 4
- 11. 10
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties