Reading dot plots & frequency tables

Practice reading basic dot plots and frequency tables.


The following dot plot shows the mass of each rock in Nija's rock collection. Each dot represents a different rock.
How many rocks are in Nija's collection?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i