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: ____________
12 + 2 + 8 = 2 + ?
Answer: ______________
29 + 7 = 7 + ?
Answer: ______________
35 + 4 = 4 + ?
Answer: ______________
47 + 8 = 8 + ?
Answer: ______________
57 + 4 + 3 = 4 + ?
Answer: ______________
67 + 7 + 3 = ?
Answer: ______________
74 + 7 = 7 + ?
Answer: ______________
89 + 1 + 2 = ?
Answer: ______________
97 + 2 + 3 = 2 + ?
Answer: ______________
109 + 8 + 1 = 8 + ?
Answer: ______________
116 + 9 = 9 + ?
Answer: ______________
122 + 3 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 9
- 3. 5
- 4. 7
- 5. 10
- 6. 17
- 7. 4
- 8. 12
- 9. 10
- 10. 10
- 11. 6
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties