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: ____________
14 + 9 = 9 + ?
Answer: ______________
25 + 5 + 5 = ?
Answer: ______________
39 + 5 + 5 = ?
Answer: ______________
47 + 3 + 4 = ?
Answer: ______________
57 + 4 = 4 + ?
Answer: ______________
62 + 8 + 5 = ?
Answer: ______________
78 + 4 = 4 + ?
Answer: ______________
84 + 3 + 6 = 3 + ?
Answer: ______________
95 + 5 + 3 = ?
Answer: ______________
103 + 3 + 7 = 3 + ?
Answer: ______________
115 + 2 + 5 = ?
Answer: ______________
121 + 3 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 4
- 2. 15
- 3. 19
- 4. 14
- 5. 7
- 6. 15
- 7. 8
- 8. 10
- 9. 13
- 10. 10
- 11. 12
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties