# Year 9 Term 1

Showing 17–32 of 44 results

# Year 9 Term 1

##### Shape
Interactive Lessons

## Area of Parallelograms and Trapezia

Students learn how to calculate the area of parallelograms and trapeziums by considering how a parallelogram can...
##### Shape
Interactive Lessons

## Area of Compound Shapes

Students learn how to calculate the area of compound rectilinear shapes by splitting the shapes up into two or m...
##### Shape
Interactive Lessons

## Circumference of Circles Problems

This lesson consolidates calculating the circumference of a circle and the perimeter of circular shapes.  Studen...
##### Shape
Interactive Lessons

## Circumference of Circles

Students are taken through the process of discovering the relationship between the radius, diameter and circumfe...
##### Shape
Interactive Lessons

## Area of Triangles

By considering a right angled triangle as half a rectangle the students are guided through deriving the formula ...
##### Shape
Interactive Lessons

## Area of Circles Problems

The lesson is intended to consolidate applying the area of circle formula to solve complex problems.  To extend ...
##### Shape
Interactive Lessons

## Area of Circles

Students are guided though the derivation of the Area of a Circle formula by approximating a circle from its sec...
##### Handling Data
Interactive Lessons

## Plotting Time Series

To plot a time series at GCSE students are taught to choose suitable axes from the data available and recognise ...
##### Handling Data
Interactive Lessons

## Drawing Pie Charts

To plot pie charts at GCSE students are taught to calculate a fraction of the circle using the frequency and sam...
##### Handling Data
Interactive Lessons

## Drawing Pictograms

To plot and interpret pictograms at GCSE students are taught to identify and recognise the value of a key.  As l...
##### Handling Data
Interactive Lessons

## Interpreting Pie Charts

To interpret pie charts at GCSE students are taught to use equivalent ratios by identifying a common frequency a...
##### Handling Data
Interactive Lessons

## Frequency Diagrams and Polygons

To plot frequency polygons at GCSE students learn how to choose suitable axes depending on the categorical data ...
##### Handling Data
Interactive Lessons

## Cumulative Frequency Graphs

To plot cumulative frequency graphs students are taught to find the cumulative frequency from grouped data table...
##### Handling Data
Interactive Lessons

## Drawing Bar Charts

To plot bar charts at GCSE students learn how to choose suitable axes depending on the categorical data and freq...
##### Number
Interactive Lessons

## Addition and Subtraction with Integers

Students learn how to add and subtract with integers using the column method.  By using the place value table st...
##### Number
Interactive Lessons

## Using Calculator Efficiently

The start of the lesson reviews basic calculator operation using the order of operations and place value to calc...

### Mr Mathematics Blog

#### Comparing Datasets using the Mean and Range

In my experience, students, in general, find the concept of a mean straightforward to calculate and understand. However, the mean alone does not provide a complete picture of a set of data. To achieve this, a measure of spread is also required. The range is the simplest measure that can be used for this. Not […]

#### Solving Problems with Angles in Parallel Lines

Solving problems with angles in parallel lines is like solving a murder mystery.  One clue leads on to the next and the next until the murderer is found.  However, it doesn’t end there.  The detectives need to explain their reasoning in court using the relevant laws and procedures should the murderer plead not guilty.  If […]

#### Solving Two Step Equations using the Balance Method

An equation is when one expression, or term, is equal to another.  To solve an equation means to find the value of the variable (represented by a letter) that makes the two expressions equal.  There are two types of equations for secondary school mathematics, linear and none-linear.  In this blog I write about how I […]