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: ____________
17 + 3 + 3 = ?
Answer: ______________
29 + 8 + 1 = 8 + ?
Answer: ______________
38 + 8 + 2 = ?
Answer: ______________
49 + 3 = 3 + ?
Answer: ______________
55 + 2 + 5 = 2 + ?
Answer: ______________
66 + 5 + 5 = ?
Answer: ______________
75 + 8 + 5 = 8 + ?
Answer: ______________
85 + 3 + 5 = 3 + ?
Answer: ______________
98 + 9 = 9 + ?
Answer: ______________
104 + 9 + 6 = 9 + ?
Answer: ______________
119 + 5 + 1 = ?
Answer: ______________
127 + 9 + 3 = 9 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 13
- 2. 10
- 3. 18
- 4. 9
- 5. 10
- 6. 16
- 7. 10
- 8. 10
- 9. 8
- 10. 10
- 11. 15
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties