Maths Without Limits
Opening Young Minds to Endless Possibilities

Area

Cubes, Mice and Elephants

Maths turns up in surprising places! This unit explores the intriguing question of why mice get cold more quickly than elephants. In exploring this, we need to understand volume, surface area, and...

What is area?

This activity introduces the concept of area as the space covered by a flat shape and explores how areas can be compared by counting squares.  Once we have learned the concepts, we are given an open...

The Great 2D Shape Investigation

An umbrella investigation stimulating a wide variety of explorations into 2-D shapes. Depending on the lines of enquiry that develop, you can then use material from related investigations such...

How Big are Cuboids?

This is an open-ended extended exploration designed to be used over multiple weeks.  Each section builds on the learning from the previous one but is does not need all to be completed at once. It...

Pythagoras Puzzle

Have fun making this simple puzzle which very beautifully illustrates Pythagoras’ Theorem that the sum of the squares on two sides of a right-angled triangle = the square on the third side.   Make...

Perimeter and Areas of Triangles and Quadrilaterals

You may be able to calculate the perimeters and areas of a rectangle and a triangle, but can you explain why the formulas work?  Build on this to explore other quadrilaterals: rhombus, kite,...