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: ____________
19 + 6 = 6 + ?
Answer: ______________
25 + 7 = 7 + ?
Answer: ______________
31 + 9 + 5 = ?
Answer: ______________
43 + 2 + 7 = ?
Answer: ______________
55 + 2 + 5 = ?
Answer: ______________
66 + 3 = 3 + ?
Answer: ______________
79 + 2 = 2 + ?
Answer: ______________
83 + 6 = 6 + ?
Answer: ______________
98 + 9 = 9 + ?
Answer: ______________
106 + 6 + 4 = ?
Answer: ______________
115 + 5 + 9 = ?
Answer: ______________
125 + 9 + 1 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 9
- 2. 5
- 3. 15
- 4. 12
- 5. 12
- 6. 6
- 7. 9
- 8. 3
- 9. 8
- 10. 16
- 11. 19
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties