Grade
4

Same & Different: Comparing Grids

Look at the two pictures. What do you notice?

A: 0.62 shown on a 10 by 10 grid. 6 columns are orange and 2 squares in the seventh column are green. B: 6-tenths shown on a 2 by 5 grid. 3 of the columns are orange.
  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. Choose a third fraction or decimal value and make a model. Explain how your number and model are the same as A and B, and how they are different.