Exam PrepYears 5–6Mental Maths Speed

Quick fractions, decimals and percentages

Rapid conversion between fractions, decimals and percentages (1/2=50%, 1/4=25%, 3/4=75%, 1/5=20% etc)

What you'll learn

  1. 1

    Imagine you have 100 sweets 🍬 in a giant jar. If you take 50 of them, that's half the jar!

  2. 2

    How many sweets out of 100 is half? 🍬

  3. 3

    Shade half of this chocolate bar — that's 50 out of 100 squares.

  4. 4

    Let's turn 1/4 into a decimal and a percentage.

  5. 5

    What is 1/4 as a percentage?

  6. 6

    Show 75% on this 100-square grid — that's 75 out of 100.

  7. 7

    Which is the same as 0.75?

Practise Quick fractions, decimals and percentages with Whizlo

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