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: ____________
13 + 5 + 7 = 5 + ?
Answer: ______________
23 + 2 = 2 + ?
Answer: ______________
36 + 3 + 4 = 3 + ?
Answer: ______________
47 + 5 = 5 + ?
Answer: ______________
59 + 1 + 1 = ?
Answer: ______________
66 + 5 = 5 + ?
Answer: ______________
78 + 2 + 8 = ?
Answer: ______________
84 + 9 + 6 = 9 + ?
Answer: ______________
93 + 3 + 7 = 3 + ?
Answer: ______________
104 + 8 + 6 = 8 + ?
Answer: ______________
117 + 3 + 3 = ?
Answer: ______________
123 + 7 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 3
- 3. 10
- 4. 7
- 5. 11
- 6. 6
- 7. 18
- 8. 10
- 9. 10
- 10. 10
- 11. 13
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties