Year 9 Term 1

Showing 17–32 of 44 results

Year 9 Term 1

Area of Parallelograms and Trapezia

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

Area of Compound Shapes

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

Circumference of Circles Problems

This lesson consolidates calculating the circumference of a circle and the perimeter of circular shapes.  Studen...

Circumference of Circles

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

Area of Triangles

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

Area of Circles Problems

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

Area of Circles

Students are guided though the derivation of the Area of a Circle formula by approximating a circle from its sec...

Plotting Time Series

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

Drawing Pie Charts

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

Drawing Pictograms

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

Interpreting Pie Charts

To interpret pie charts at GCSE students are taught to use equivalent ratios by identifying a common frequency a...

Frequency Diagrams and Polygons

To plot frequency polygons at GCSE students learn how to choose suitable axes depending on the categorical data ...

Cumulative Frequency Graphs

To plot cumulative frequency graphs students are taught to find the cumulative frequency from grouped data table...

Drawing Bar Charts

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

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...

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 […]