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

Calculating the Volume of a Pyramid

When calculating the volume of a pyramid we can substitute the values of the length, width and perpendicular height into the formula V = 1/3 lwh.  In my experience this is often provided for the students with little explanation as to why a volume of a pyramid is exactly one third the volume of a […]

Solving 3D Problems using Trigonometry

When teaching solving 3D problems using trigonometry we begin the lesson with a recap of Pythagoras’ Theorem and the three trigonometric ratios.  We do this by matching the ratio and equations to the respective right-angled triangle.   Students are encouraged to work in pairs and to show the diagrams as part of the working out on […]

Rounding to a significant figure

When I teach rounding to a significant figure, I ask the class to discuss in pairs or small groups a definition for the word significant.  It is a word that all the students have heard before but not all are able to define. After 2 or 3 minutes of conversation I ask the students to […]