Year 9 Term 1

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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

How to Simplify Surds

When learning how to simplify surds students need to understand the difference between a rational and irrational number. Rational numbers include integers and terminating and repeating decimals. They can be written as a fraction with both the numerator and denominator as integers. An irrational number is a number which, in its decimal form does not […]

Sharing an Amount to a Given Ratio

There are three common methods for sharing an amount to a given ratio.  Depending on the age group and ability range I am teaching I would choose one approach over the other two. The three methods are: Using fractions Unitary method Using a table In this blog I will demonstrate each of the three methods […]

Plotting Scatter Graphs and Understanding Correlation

To introduce plotting scatter graphs and understanding correlation I ask students to think about the relationships between different variables and to describe how they might be related. Here's my starter activity which students discuss in pairs then present to me on mini-whiteboards. When the students have had time to discuss the matching pairs we talk […]