Collecting data

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Collecting data

Frequency Trees

Students learn how to create frequency trees from two-way tables and written descriptions.  As learning progress...

Quantitative and Qualitative Types of Data

Students learn how to categorise, calculate with and represent different types of data.  As learning progresses ...

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...

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 […]