2d shapes
How to identify different 2D shapes
Find out about regular 2d shapes and irregular polygons.
What are the types of triangle?
Find out about scalene, equilateral, isosceles and right-angled triangles.
What are the parts of a circle?
Discover the features of a circle and how to measure the radius, circumference and diameter.
How to identify different polygons
Find out about different regular and irregular polygons.
What is the perimeter?
Discover how to work out the area of a 2D shape, by adding the length of its sides together.
How do you work out the area of triangles?
Discover how to work out the area of a triangle, by working out the area of a rectangle and then dividing it by two. Find out more in this KS2 Bitesize guide.
How to work out an area
Find out how to measure the area of rectilinear shapes by breaking them down into squares and rectangles.
Calculating the area compound shapes
Find out how to use a formula to work out the area of a flat shape.
What is tessellation?
Find out how tessellation is when shapes fit together in a pattern with no gaps or overlaps.
Patterns
From the shape of a flower to the numbers on a clock, everywhere you look you will be able to find some sort of pattern.