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Most Popular Tutorials

3D Shapes

More 3D Shapes and Shape Nets. Learn about pyramids and solid shape nets.

Math-Mate.com/3DShapes

The Cosine Rule

Learn all about the cosine rule for triangles. Includes an example worked question.

Math-Mate.com/CosineRule

Frequency Polygons

Learn all about frequency polygons. Learn how to make one to display information.

Math-Mate.com/FrequencyPolygon

Index Laws

Learn all about index laws. Learn how indices change under multiplication and division.

Math-Mate.com/IndexLaws

Statistics

ELECTION SURVEYING

Deciding what data to collect and how to collect it
Recording data

PRESENTING THE DATA

The pie chart / sector graph
Bar and column graphs
Bar graph

Drawing a line graph

Pictograph question

Extrapolating
There’s more than one way to skin a cat

AVERAGES, MIDDLES, AND MOST FREQUENT NUMBERS

Mean
Median
Mode

THE MEAN VERSUS THE MEDIAN

Real estate housing values
Handy Hint #19 - Don’t calculate averages of averages
Averages of averages question

GROUPING DATA INTO CLASSES

Grouping data question
Choosing classes
Handy Hint #20 - Be careful with trimming

A continuous histogram

FREQUENCY POLYGONS

Data observation question
Handy Hint #21 - When can you compare frequency polygons

FINDING MEANS, MEDIANS AND MODES OF GROUPED DATA

Mean of grouped data
Median of grouped data
Cumulative frequency graphs
Mode of grouped data