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 + 4 = 4 + ?
Answer: ______________
21 + 2 + 9 = ?
Answer: ______________
32 + 8 + 6 = ?
Answer: ______________
47 + 2 + 3 = 10 + ?
Answer: ______________
52 + 8 + 8 = 10 + ?
Answer: ______________
67 + 7 = 7 + ?
Answer: ______________
71 + 9 + 5 = ?
Answer: ______________
84 + 6 + 6 = ?
Answer: ______________
96 + 4 + 6 = ?
Answer: ______________
106 + 6 + 4 = 10 + ?
Answer: ______________
113 + 3 + 7 = ?
Answer: ______________
124 + 9 + 1 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 2
- 2. 12
- 3. 16
- 4. 2
- 5. 8
- 6. 7
- 7. 15
- 8. 16
- 9. 16
- 10. 6
- 11. 13
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties