Extension: median and mean (Grade 6 and 7 work)

Summarising data with the mode, median and mean. Read one part at a time and tap “I know this”. Then test yourself in the quiz.

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Summarising data

Measure	How?	Data: 3, 5, 5, 7, 10
mode	the value that occurs most often	5
median	the middle value after sorting	5
mean	total ÷ number of values	30 ÷ 5 = 6

Meerkat tip

Always sort from smallest to largest before finding the median. With an even number of values, the median is the mean of the two middle ones.

Tap when you could tell someone without looking.

Remember this: your summary

Write these points in your book. Read them again the night before the test.

Memory trick

MOde = MOst; MEDian = MIDdle; MEAN = share it out evenly.

Flash cards · Tap to turn over

First say the answer yourself, then turn the card over.

Now the real quiz!

The quiz has many more questions on this topic. Every question shows straight away whether you are right and explains why.

For parents

Let your child work the examples on paper and explain them to you.
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Follows CAPS for Grade 5 Mathematics. Always check your teacher’s notes and textbook too.