Same & Different: Fraction of a Book

Look at the two pictures. What do you notice?

A: Sergio has read 2-thirds of his 150-page book. B: Marta has read 2-fifths of her 250-page book.
  1. How are pictures A and B mathematically the same, and how are they different?
    • A and B are the same because …
    • A and B are different because …
  2. Make a third picture that shows someone reading a fraction of a book. Explain how your picture is the same as pictures A and B, and how it is different.