Area
Area
Learn about area with BBC Bitesize Key Stage 3 Maths.
WATCH: How to show the area of a triangle is ½ × base × height
A KS3 Bitesize 11-14 Maths guide showing you how to prove the area of a triangle is half base × height.
WATCH: How to show the area of a parallelogram is base × height
A KS3 Bitesize 11-14 Maths guide showing how to show the area of a parallelogram is base multiplied by height.
WATCH: How to show the formula for the area of a trapezium
A simple guide on how to show the area of a trapezium in maths aimed at children aged between 11 and 14.
WATCH: How to show the surface area of a sphere is 4πr²
A simple guide on how to show the surface area of a sphere is 4πr² aimed at children aged between 11 and 14
WATCH: How to show a cone's surface area = π × r × slant length
A simple guide on how to show the surface area of a cone is π × radius × length, aimed at students aged 11 to 14.