MathsYears 7–9Statistics & Probability

Averages and range

Calculate mean, median, mode and range from lists and frequency tables

What you'll learn

  1. 1

    Imagine you have a bag of 5 sweets: 🍬🍬🍬🍬🍬. The average is how many sweets each person gets if you share them out equally.

  2. 2

    If you share 10 sweets equally between 2 friends, how many sweets does each friend get?

  3. 3

    Share these 12 sweets equally between 3 friends — tap to give each friend a sweet.

  4. 4

    Let's find the average of these 4 numbers: 2, 4, 6, 8

  5. 5

    What is the average of 3, 5, 7?

  6. 6

    The range tells you how spread out the numbers are. It's the biggest number minus the smallest.

  7. 7

    What is the range of these scores: 10, 15, 20?

Practise Averages and range with Whizlo

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