There are 366 different Starters of The Day, many to choose from. You will find below some starters on the topic of Mensuration. A lesson starter does not have to be on the same topic as the main part of the lesson or the topic of the previous lesson. It is often very useful to revise or explore other concepts by using a starter based on a totally different area of Mathematics.

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### Mensuration Starters:

How many different shapes with an area of 2 square units can you make by joining dots on this grid with straight lines?

By how much would the area of this triangle increase if its base was enlarged to 8cm?

Which of the two shapes has the largest area? You will be surprised!

Calculate the distance around the given shape

Find the loci of the goat's position as it eats the grass while tethered to the rope.

Introduce linear equations by solving these problems about lengths.

The missing square puzzle is an optical illusion used to help students reason about geometrical figures.

Find the dimensions of a rectangle given the perimeter and area.

Calculate the areas of all the possible quadrilaterals that can be constructed by joining together dots on this grid.

A quick quiz about five items on a shopping list written 40 years ago.

Use the information implied in the diagram to calculate the perimeter of this shape

Is it possible to work out the perimeter of this shape if the lengths of all the sides are not given?

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