Yellow
Green
Blue
Red
Magenta
Remove
Romesh and Kathy both show a way to solve the cookie problem.
Kathy's way
I looked at the piece that was missing from the whole unit. It's the same size as an aqua piece. That means there is one-sixth less than a whole, or 
.
.
− 
=
Romesh's way
Since all the pieces are the same color, I just add them all up. Aqua pieces are of the whole circle, so I can write this number sentence:
of the whole circle, so I can write this number sentence:
+ 
=
- Whose method makes more sense to you, Romesh's or Kathy's? Explain why you think so.
Kathy's Cake
- Kathy's family made a cake. After dinner, Kathy and her family ate
of the cake. Later in the evening, they ate another 
of the cake. Kathy wants to know how much of the cake they ate in all. - Use fraction circle pieces to model the problem.
- How much of the cake did they eat? Show how you solved the problem.
- Write a number sentence that matches your solution.
