maths infographics
Every InfoGraphHub infographic tagged “maths”.
MathsFractions, Decimals and Percentages
A cheat sheet of the fraction, decimal and percentage equivalents worth knowing by heart, from 1/2 = 0.5 = 50% to 1/3 = 0.333… ≈ 33.3%, plus the six conversions between the three forms and how to tell if a decimal will end.
MathsMultiplying and Dividing Fractions
The rules for multiplying and dividing fractions on one sheet: multiply across, 'of' means multiply, cancel first, mixed and whole numbers, reciprocals, and keep-change-flip for division, with a clear explanation of why flipping works.
MathsAdding and Subtracting Fractions
Three fully worked examples of adding and subtracting fractions: same denominators, different denominators using the lowest common multiple, and mixed numbers, with every step shown and a check on each answer.
MathsEquivalent Fractions and Simplifying
How to make equivalent fractions by multiplying or dividing top and bottom by the same number, find a missing numerator, and simplify a fraction to its lowest terms using the highest common factor, step by step with checked examples.
MathsFractions Explained
What a fraction is and the words you need to talk about one: numerator, denominator, unit fractions, proper and improper fractions, mixed numbers, and where fractions sit on a number line, with a short example for each.
MathsPercentages Explained: What a Percentage Means
What a percentage is, shown on a hundred square: per cent means out of 100, the parts of a whole add up to 100%, 1% is one hundredth, and the same amount can be written as a fraction, a decimal or a percentage, including values above 100%.
MathsRatio and Proportion: Cheat Sheet with Worked Examples
A one-page ratio and proportion cheat sheet: write and simplify ratios, tell a ratio from a fraction, share an amount in a ratio, use unit rates to find the best buy, solve direct proportion problems and read scales on drawings and maps.