Shape, space and measures
Transformations
Learn about transformations and enlargements with ±«Óătv Bitesize KS3 Maths.
WATCH: What are congruent and similar shapes?
A simple guide explaining the idea of congruent and similar shapes, aimed at children aged between 11 and 14.
WATCH: What are translation, rotation and reflection?
A maths guide for ages 11-14 year old high school students on what are translation, rotation and reflection?
WATCH: What is a scale factor?
A simple guide discussing the question 'what is a scale factor' aimed at children aged between 11 and 14.
Symmetry
Learn about symmetry with ±«Óătv Bitesize Key Stage 3 Maths.
Perimeter
Learn about perimeter with ±«Óătv Bitesize Key Stage 3 Maths.
How to show the circumference of a circle is π x diameter
A simple guide on how to show the circumference of a circle is π x diameter aimed at children aged between 11 and 14
What is pi?
A ±«Óătv bitesize guide in the explainer format to explain the concept of pi aimed at students between the age of 11-14
Area
Learn about area with ±«Óătv 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 Ă— height.
WATCH: How to show the area of a parallelogram is base Ă— 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.
How to show the area of a circle is π × r²
A simple guide on how to show the area of a circle is π × r² aimed at children aged between 11 and 14
Volume
Learn about volume with ±«Óătv Bitesize Key Stage 3 Maths.
WATCH: What are square and cube numbers?
What are square and cube numbers? Find out in this Bitesize maths video for KS3.
WATCH: How to show the volume of a cuboid = length Ă— width Ă— height
A simple guide showing how to show the volume of a cuboid is length Ă— width Ă— height. Aimed at students 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.
WATCH: What is the volume of a cone, a sphere and a cylinder?
A simple guide on how to calculate the area of a cone, a sphere and a cylinder aimed at children aged between 11 and 14
WATCH: How to show the volume of a cone is ⅓ height × πr²
A simple guide on how to show the volume of a cone is ⅓ height × πr² aimed at children aged between 11 and 14
Units for measuring
Learn about measures with ±«Óătv Bitesize Key Stage 3 Maths.
How to convert between standard units
A simple, step-by-step, visual guide showing you how to convert between standard units using bar models. Aimed at 11-14 year olds.
Speed, distance and time
A simple guide on the question of 'what is speed' in maths aimed at children between the ages of 11 and 14.
Density
Learn about density with ±«Óătv Bitesize Key Stage 3 Maths.
WATCH: What is density?
A simple guide on the question 'what is density' in the context of maths aimed at children aged between 11 and 14
WATCH: How to work out density
A simple, visual, step-by-step guide on how to work out density. Aimed at students aged between 11 and 14
Pythagoras' theorem
Learn about Pythagoras' theorem with ±«Óătv Bitesize Key Stage 3 Maths.
WATCH: How to prove Pythagoras' theorem
A simple guide on how to prove Pythagoras' theorem - aimed at children between the ages of 11 and 14
Angles and triangles
Learn about angles and triangles with ±«Óătv Bitesize Key Stage 3 Maths.
WATCH: What are angles?
A simple guide on how to understanding the concept of angles aimed at children aged between 11 and 14
Intersecting and parallel lines
Learn about intersecting and parallel lines with ±«Óătv Bitesize Key Stage 3 Maths.
How to show the angles in a triangle add up to 180 degrees
A simple guide on how to show the angles in triangle add up to 180 degrees, aimed at students aged 11 to 14.
How to find the missing angles on crossing lines
A KS3 Bitesize Maths guide showing how to work out the value of different angles on a set of crossing lines.
How to show angles in a n-sided polygon add to 180° × (n-2)
A KS3 Bitesize 11-14 Maths guide on how to show the angles of a regular polygon equal 180° x (n-2).
Constructions and loci
Learn about constructions, loci and three-figure bearings with ±«Óătv Bitesize Key Stage 3 Maths.
WATCH: How to construct triangles
A simple guide on how to construct triangles in maths, aimed at children between the ages of 11 and 14
WATCH: How to draw a perfect five-pointed star
A simple guide on how to draw a perfect five-pointed star, aimed at children between the ages of 11 and 14
WATCH: How to bisect lines and angles
A simple guide on how to use maths to bisect lines and angles aimed at children aged between 11 and 14
Points of the compass
Learn about points of the compass with ±«Óătv Bitesize Key Stage 3 Maths.
Triangles and quadrilaterals
Learn about triangles and quadrilaterals with ±«Óătv Bitesize Key Stage 3 Maths.
Polygons
Learn about polygons with ±«Óătv Bitesize Key Stage 3 Maths.
WATCH: How to draw a regular hexagon, square and triangle
A simple, step-by-step guide showing how to draw a regular hexagon, square and triangle, aimed at children between the ages of 11 and 14.
WATCH: What are congruent and similar shapes?
A simple guide explaining the idea of congruent and similar shapes, aimed at children aged between 11 and 14
Circles
Learn about circles with ±«Óătv Bitesize Key Stage 3 Maths.
3D shapes
Learn about3D shapes with ±«Óătv Bitesize Key Stage 3 Maths.
Faces, edges and vertices
Learn about faces, edges and vertices with ±«Óătv Bitesize Key Stage 3 Maths.
How to prove that there can only be five Platonic solids
A simple, step-by-step guide showing you how to prove that there are only five possible Platonic solids.
WATCH: How to make a logical paradox
How do you make a logical paradox? Find out in this Bitesize maths video for KS3.
WATCH: How to draw in perspective
A simple, step-by-step guide showing how to draw in perspective, aimed at children aged between 11 and 14
Time
Learn about measuring time with ±«Óătv Bitesize Key Stage 3 Maths.