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: ____________
15 + 2 = 2 + ?
Answer: ______________
28 + 5 + 2 = 10 + ?
Answer: ______________
33 + 4 = 4 + ?
Answer: ______________
47 + 7 + 3 = 10 + ?
Answer: ______________
57 + 3 + 7 = ?
Answer: ______________
63 + 2 = 2 + ?
Answer: ______________
72 + 9 + 8 = ?
Answer: ______________
87 + 5 = 5 + ?
Answer: ______________
92 + 8 = 8 + ?
Answer: ______________
103 + 6 = 6 + ?
Answer: ______________
116 + 4 + 9 = ?
Answer: ______________
123 + 6 + 7 = 9 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 5
- 2. 5
- 3. 3
- 4. 7
- 5. 17
- 6. 3
- 7. 19
- 8. 7
- 9. 2
- 10. 3
- 11. 19
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties