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 + 7 + 2 = ?
Answer: ______________
21 + 8 + 9 = ?
Answer: ______________
36 + 1 + 9 = ?
Answer: ______________
44 + 5 = 5 + ?
Answer: ______________
52 + 3 = 3 + ?
Answer: ______________
67 + 3 = 3 + ?
Answer: ______________
76 + 8 = 8 + ?
Answer: ______________
84 + 4 = 4 + ?
Answer: ______________
96 + 4 = 4 + ?
Answer: ______________
103 + 7 + 2 = ?
Answer: ______________
115 + 6 = 6 + ?
Answer: ______________
126 + 8 + 4 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 17
- 2. 18
- 3. 16
- 4. 4
- 5. 2
- 6. 7
- 7. 6
- 8. 4
- 9. 6
- 10. 12
- 11. 5
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties