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 + 2 + 3 = 2 + ?
Answer: ______________
29 + 2 + 1 = ?
Answer: ______________
32 + 5 = 5 + ?
Answer: ______________
42 + 6 = 6 + ?
Answer: ______________
53 + 5 = 5 + ?
Answer: ______________
65 + 2 + 8 = ?
Answer: ______________
72 + 9 + 8 = 9 + ?
Answer: ______________
87 + 5 + 3 = ?
Answer: ______________
92 + 6 + 8 = ?
Answer: ______________
104 + 4 + 6 = 4 + ?
Answer: ______________
119 + 8 = 8 + ?
Answer: ______________
127 + 4 + 6 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 12
- 3. 2
- 4. 2
- 5. 3
- 6. 15
- 7. 10
- 8. 15
- 9. 16
- 10. 10
- 11. 9
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties