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 + 3 + 2 = 3 + ?
Answer: ______________
27 + 4 + 6 = ?
Answer: ______________
38 + 9 + 2 = ?
Answer: ______________
46 + 2 = 2 + ?
Answer: ______________
57 + 6 + 3 = 6 + ?
Answer: ______________
66 + 5 + 4 = 5 + ?
Answer: ______________
76 + 4 + 4 = ?
Answer: ______________
89 + 3 = 3 + ?
Answer: ______________
95 + 2 + 5 = 2 + ?
Answer: ______________
105 + 6 = 6 + ?
Answer: ______________
118 + 2 + 8 = ?
Answer: ______________
122 + 6 + 8 = 6 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 17
- 3. 19
- 4. 6
- 5. 10
- 6. 10
- 7. 14
- 8. 9
- 9. 10
- 10. 5
- 11. 18
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties