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 + 6 + 9 = ?
Answer: ______________
28 + 1 + 9 = ?
Answer: ______________
35 + 5 + 5 = 10 + ?
Answer: ______________
44 + 4 + 6 = 10 + ?
Answer: ______________
57 + 7 = 7 + ?
Answer: ______________
63 + 2 + 7 = 5 + ?
Answer: ______________
71 + 2 + 9 = ?
Answer: ______________
85 + 8 + 5 = ?
Answer: ______________
97 + 3 + 4 = ?
Answer: ______________
108 + 7 + 2 = 10 + ?
Answer: ______________
112 + 3 + 8 = 10 + ?
Answer: ______________
123 + 8 + 7 = 10 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 19
- 2. 18
- 3. 5
- 4. 4
- 5. 7
- 6. 7
- 7. 12
- 8. 18
- 9. 14
- 10. 7
- 11. 3
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties