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 + 8 = ?
Answer: ______________
21 + 9 + 7 = ?
Answer: ______________
34 + 9 + 6 = 9 + ?
Answer: ______________
41 + 6 + 9 = ?
Answer: ______________
55 + 6 + 5 = 6 + ?
Answer: ______________
67 + 9 + 3 = 9 + ?
Answer: ______________
73 + 6 + 7 = 6 + ?
Answer: ______________
85 + 5 + 5 = ?
Answer: ______________
95 + 8 = 8 + ?
Answer: ______________
104 + 9 + 6 = ?
Answer: ______________
117 + 3 + 4 = ?
Answer: ______________
125 + 8 + 5 = 8 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 18
- 2. 17
- 3. 10
- 4. 16
- 5. 10
- 6. 10
- 7. 10
- 8. 15
- 9. 5
- 10. 19
- 11. 14
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties