Year 8 Maths

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UK Key Stage 3 Maths skills for Year 8 — number, algebra, geometry and statistics, with instant feedback and worked explanations.

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Number
Order of operations (BIDMAS) Adding & subtracting negative numbers Multiplying & dividing negative numbers Finding factors of a number Identifying prime numbers Highest Common Factor (HCF) Lowest Common Multiple (LCM) Squares and square roots Cubes and cube roots Rounding to significant figures
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Fractions, Decimals & Percentages
Fraction of an amount Adding fractions Subtracting fractions Multiplying fractions Dividing fractions Converting fractions to decimals Percentage of an amount Percentage increase & decrease
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Ratio & Proportion
Simplifying ratios Sharing an amount in a ratio
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Algebra
Collecting like terms Expanding a single bracket Substitution into expressions Solving one-step equations Solving two-step equations Number sequences — next term
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Geometry & Measure
Angles on a straight line Angles around a point Angles in a triangle Area of a rectangle Area of a triangle Perimeter of a rectangle Circumference of a circle Area of a circle
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Statistics & Probability
Mean of a data set Median of a data set Mode of a data set Range of a data set Simple probability
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Integers & Number Sense
Understanding integers Integers on a number line Compare and order integers Add and subtract integers using number lines Place value in large numbers Rounding whole numbers Expressions with nested brackets Multi-step word problems
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Decimals
Place value in decimal numbers Compare and order decimals Convert decimals to fractions Round decimals Add and subtract decimals Multiply decimals by whole numbers Divide decimals by whole numbers Multiply a decimal by 10, 100 or 1,000
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Measurement & Units
Choose the appropriate metric unit Convert metric units Convert between metric and imperial units Convert between miles and kilometres Convert time units Elapsed time problems Convert between 12-hour and 24-hour time Reading schedules and timetables
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2D Shapes & Angles
Types of angles Measuring angles with a protractor Missing angle — vertical & adjacent Missing angle — complementary & supplementary Interior angles of polygons Regular and irregular polygons Parts of a circle Parallel, perpendicular and intersecting lines
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Data, Graphs & Probability
Reading and interpreting tables Interpreting bar graphs Interpreting line graphs Interpreting pictograms Pie charts and central angles Experimental probability Using data to make predictions Random, representative and biased samples