Interactive Lessons

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Interactive Lessons

Two-way Tables

Students learn how to design and interpret two-way tables.  As learning progresses they use two-way tables to so...

Stratified Sampling

Students learn the difference between different types of sampling methods and how to calculate a stratfied sampl...

Designing Questionnaires

Students learn how to design a questionnaire with non-biased or leading questions, suitable option boxes and tim...

Using the Range

The majority of the lesson is based around using the range to compare data sets in addition to an average.  Emph...

Stem & Leaf Diagrams

Students learn how to read data and calculate averages from a stem and leaf diagram.  As learning progresses stu...

Median and Mode Averages

Students learn how to calculate the median and mode averages from data presented as a list.  As learning progres...

Mean Average from Grouped Data

Students learn how to estimate the mean average from data in a grouped frequency table.  As learning progresses ...

Mean Average from a Frequency Table

Students learn how to calculate the mean average of discrete data from a frequency table.  As learning progresse...

Mean Average from Discrete Data

Students learn how to calculate the mean average of discrete data using calculator and non-calculator methods.  ...

Substitution Into Algebraic Expressions

Students learn how to substitute known values into algebraic expressions using algebra notation and the order of...

Expanding Algebraic Expressions

Students learn how to expand algebraic expression from a set of brackets.  As learning progresses they find the ...

Factorising Quadratics ax^2 + bx + c

Students learn how to factorise quadratics in the form ax2 + bx + c involving positive and negative terms into t...

Factorising Quadratics

Students learn how to factorise quadratics in the form x2 + bx + c into two brackets with a mixture of negative ...

Factorising Expressions

Students learn how to factorise algebraic expressions using the highest common factor and basic algebraic notati...

Expanding Quadratics

Students learn how to expand the product of two brackets using the 'FOIL' method.  As learning progresses they...

Collecting Like Terms

Students learn how to simplify algebraic expressions by collecting like terms using basic algebraic notation.  A...

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 […]