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: ______________
29 + 1 + 8 = ?
Answer: ______________
35 + 6 + 5 = 11 + ?
Answer: ______________
44 + 6 + 5 = ?
Answer: ______________
58 + 8 = 8 + ?
Answer: ______________
67 + 3 = 3 + ?
Answer: ______________
74 + 6 = 6 + ?
Answer: ______________
83 + 8 + 7 = 10 + ?
Answer: ______________
97 + 9 = 9 + ?
Answer: ______________
104 + 5 = 5 + ?
Answer: ______________
115 + 8 + 5 = 10 + ?
Answer: ______________
129 + 1 + 1 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 18
- 2. 18
- 3. 5
- 4. 15
- 5. 8
- 6. 7
- 7. 4
- 8. 8
- 9. 7
- 10. 4
- 11. 8
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties