Super Shapes

Tonight is Killara’s annual Family Maths Night!

Miss Fraser has organised for students and their families to visit our blog to complete a shapes challenge.

The problem for the night is called Super Shapes.

*This problem comes from the Nrich website.

Each of the following shapes has a value:

shapes1

The value of the circle changes in each of the following problems.

Can you discover its value in each problem, if the value of the shapes are being added together?

shapes2

Write your solution in a comment below. How did you work out the answers?