# Key Stage 3

Showing 1–16 of 142 results

# Key Stage 3

##### Shape
Interactive Lessons

## 3D Shapes and Prisms

Students learn about 3D shapes and prisms using their cross section, faces, vertices and number of edges.  More ...
##### Number
Interactive Lessons

## Adding Fractions using a Fraction Wall

Students learn how to add fractions with different denominators using equivalent fraction diagrams.  As learning...
##### Number
Interactive Lessons

Students learn how to perform addition with decimal numbers using place value and the column method.  Number pyr...
##### Number
Interactive Lessons

Students learn how to perform addition with negative numbers  Later in the lesson they are challenged to work wi...
##### Shape
Interactive Lessons

## Alternate and Interior Angles in Parallel Lines

Students learn how to recognise and calculate alternate and interior angles in parallel lines.  As learning prog...
##### Number
Interactive Lessons

## Alternative Number Systems

Students investigate alternative number systems including the Roman and Egyptian systems.  Less able students cr...
Free Resources

## Angles of Elevation and Depression

Students learn how to construct and use scale drawings to measure angles of elevation and depression and unknown...
##### Shape
Interactive Lessons

## Area of Composite Shapes

Students learn how to find the area of composite shapes.  Learning progresses from counting the squares inside t...
##### Shape
Interactive Lessons

## Area of Triangles and Composite Shapes

Progressing on from finding the area of a triangle students calculate the area of composite shapes made up of tr...
##### Handling Data
Interactive Lessons

## Averages using the Median and Mode

Students learn about averages using the median and mode.  As learning progresses they use the averages to compar...
##### Shape
Interactive Lessons

## Bisecting an Angle

Students learn how to construct an angle bisector using a pair of compasses and ruler.  As learning progresses t...
##### Number
Interactive Lessons

## Calculating a Percentage Change

Students learn about calculating a percentage change using a decimal multiplier.  Learning progresses from findi...
##### Handling Data
Interactive Lessons

## Calculating a Probability from Sample Space Diagrams

Students learn how to create a sample space diagram to find the probability of two or more events. As learning p...
##### Number
Interactive Lessons

## Calculating Fractions of an Amount

Students learn about calculating fractions of an amount using both diagrams and written methods.The start of...
##### Handling Data
Interactive Lessons

## Calculating Probabilities from Two-Way Tables

Students learn how to calculate a probability from a two-way table.  As learning progresses students learn how t...
##### Number
Interactive Lessons

## Calculating Speed, Distance and Time

Using ratio notation students learn how to calculate the speed when given distance and time.  As learning progre...

### Mr Mathematics Blog

#### Teaching Mathematics for a Growth Mindset

Inspiring students to enjoy maths and feel the success that comes with attempting a difficult challenge is why I teach.  The feeling of success is addictive.  The more students experience it the more they want it and the further out of their comfort zone they are willing to go to get more of it.  Teaching […]

#### Equation of Straight Line Graphs

To find the equation of straight line graphs students need to calculate the gradient using two pairs of coordinates and the intercept which is the y value of where it crosses the vertical axis.  Examiner’s reports of past exam questions show students are more able to find the intercept of a straight line than they […]

#### Arithmetic and Geometric Sequences

Students learn how to generate and describe arithmetic and geometric sequences on a  position-to-term basis.  Learning progresses from plotting and reading coordinates in the first quadrant to describing geometric sequences using the nth term. This unit takes place in Term 4 of Year 10 and is followed by the equations of straight line graphs. Arithmetic […]