Wo
rk in pairs. Activity 1 Use 12 yellow cubes and 16 green cubes. Divide each set of cubes into groups of 2. Write a ratio to show the number of groups of yellow cubes to the number of groups of green cubes. Divide each set of cubes into groups of 4. Write a ratio to show the number of groups of yellow cubes to the number of groups of green cubes. 184 Chapter 4 Ratio​