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 + 4 + 2 = 4 + ?
Answer: ______________
29 + 9 = 9 + ?
Answer: ______________
39 + 6 = 6 + ?
Answer: ______________
45 + 9 + 5 = 9 + ?
Answer: ______________
53 + 7 + 3 = ?
Answer: ______________
63 + 4 = 4 + ?
Answer: ______________
78 + 2 + 7 = ?
Answer: ______________
81 + 8 + 2 = ?
Answer: ______________
92 + 9 = 9 + ?
Answer: ______________
106 + 4 = 4 + ?
Answer: ______________
111 + 3 + 9 = ?
Answer: ______________
127 + 6 + 3 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 9
- 3. 9
- 4. 10
- 5. 13
- 6. 3
- 7. 17
- 8. 11
- 9. 2
- 10. 6
- 11. 13
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties