Quang drew a 9x9 grid. Vanessa drew a 12x12 grid. They each shaded 1/3 of their grid squares. Who shaded more squares? Why did Quang and Vanessa each shaded a different number of squares?

Answer 1

9 * 9 * (1/3) = ______ squares

12 * 12 * (1/3) = _______ squares

Answer 2

If this is for fourth grade they can draw the grids, then put the squares into 3 groups evenly and shade in 1 of the groups.