KS2 Maths Help
Every topic taught in Years 3-6 of the UK National Curriculum — with worked examples and quick-reference calculators where the maths gets fiddly.
The KS2 curriculum (ages 7-11) covers number, the four operations, fractions, decimals, percentages, ratio, geometry, statistics and basic algebra. SATs in Year 6 test all of it. Below: every topic with a clear explanation.
- Place value to millionsYear 5/6 read, write and compare numbers up to 10,000,000.
- Long (column) additionAdding numbers vertically, with carrying.
- Long (column) subtractionVertical subtraction with borrowing.
- Times tables 2-12Year 4 fluency for all tables up to 12×12.
- Long multiplicationMultiplying multi-digit numbers (Year 5/6).
- Long divisionBus-stop and chunking methods (Year 5/6).
- BIDMAS / order of operationsBrackets, indices, division/multiplication, addition/subtraction.
- Equivalent fractions&frac24; = ½; using fraction simplifier.
- Adding and subtracting fractionsCommon denominator method, including mixed numbers.
- Multiplying fractionsMultiplying tops and bottoms; including by a whole number.
- DecimalsReading, writing, comparing decimals to 3 dp.
- Fractions, decimals, percentagesConverting between the three notations.
- Percentages of amountsFind 10%, 50%, 25%, 75% of a quantity.
- Ratio (introduction)Year 6 ratio in word problems.
- Area of rectanglesLength × width, with worked examples.
- PerimeterSum of side lengths; missing sides in compound shapes.
- Volume of cuboidsLength × width × height (cm³).
- Types of angleAcute, right, obtuse, reflex, straight; measuring with a protractor.
- Coordinates (4 quadrants)Year 6 plot in all four quadrants.
- Translation and reflectionSliding and mirroring shapes on a grid.
- Mean, median, mode and rangeThe four statistical averages every Year 6 needs.
- Pictograms and bar chartsReading and drawing simple charts.
- Pie chartsSectors as fractions and percentages.
- Probability (introduction)Likelihood scale: impossible to certain.
- Roman numeralsYear 4: I to C; Year 5: extended to M.
- Negative numbersYear 4 introduces negatives via temperature and number line.