smc-691-50-Fractions and shapes

Number and Algebra, NAP-B2-33

Andre shaded a fraction of a square.

Which picture shows the same fraction shaded?

Show Answers Only

Show Worked Solution

Which of these squares has the smallest fraction of its area shaded?

Show Answers Only

Show Worked Solution

`text(Option 1 only has)\ \ 2/5\ \ text(of the square shaded.)`

`text(All other squares have at least)\ \ 1/2\ \ text(shaded.)`

Simon is painting a wall at his home grey.

About what fraction of the wall does Simon still have to paint grey?

`1/4`	`1/6`	`3/4`	`5/6`

Show Answers Only

`1/6`

Show Worked Solution

`text(The unpainted section is around one third)`

`text(of the right half of the wall.)`

`:.\ text(Fraction still to paint)`

`= 1/3 xx 1/2`

`= 1/6`

Leo shades in part of a circle.

What fraction is closest to the area of the circle that Leo shaded?

`5/8`	`1/2`	`3/5`	`4/10`

Show Answers Only

`4/10`

Show Worked Solution

`text(The shaded area is slightly less than a half)`

`text(of the total area of the circle.)`

`:. 4/10\ \ text(is the closest fraction.)`

Phil painted squares grey in the grids pictured below.

Which grid has `1/3` of its squares painted grey?

Show Answers Only

Show Worked Solution

`1/3\ \ text(of the grid is 5 squares.)`