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Number explorer
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MATHS · TRAIL 1
1–5 of 10Number confidence
Build reliable methods, then use them to solve number puzzles.
- 1
Place value & rounding
Each position is worth ten times the position to its right.
Open this discovery - 2
Addition & subtraction
Line up place-value columns.
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Multiplication & division
Break a multiplication into smaller parts.
Open this discovery - 4
Order of operations
Calculate brackets first, then powers, then multiplication and division left to right, then addition and subtraction left to right.
Open this discovery - 5
Factors, multiples & primes
Factors divide exactly into a number.
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Part 1 of 2
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Place value & roundingAddition & subtractionMultiplication & divisionOrder of operationsFactors, multiples & primesEquivalent fractionsFraction calculationsDecimalsPercentagesRatio & proportionNegative numbersAlgebra & missing numbersSequencesUnits & measurementTime & moneyPerimeter & areaAngles & shapesCoordinates & symmetryAverages & dataProbability & word problemsMixed & improper fractionsMultiplying fractionsDividing fractionsFractions, decimals & percentagesPercentage changeLong division & remaindersDecimal multiplication & divisionSquares, cubes & powersVolume of cuboidsArea of trianglesScale drawingsSpeed, distance & timeRecipe scalingMissing averagesMulti-step shopping problemsInverse operationsReading tables & graphsCompound areaDivisibility & number puzzlesVenn diagrams & sets
Suggested order, no locked doors. Take a pause between discoveries.