Selective-school maths word problems: three worked examples
Step-by-step solutions for averages, percentages and journey time.
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Make practice more useful.
Practical explanations to help you support your child with reading, writing, maths and reasoning, and understand their school pathways.
7 guides · Maths
Maths and numerical reasoning
Numerical reasoning: number series and number grids
Worked examples of changing differences, alternating sequences and grid rules.
Read the guideNumber fundamentals: order of operations, factors and checking
Review order of operations, factors, multiples and negative numbers with checked worked examples and practical ways to find calculation mistakes.
Read the guideFractions, decimals and percentages: convert, calculate and check
Practise equivalent fractions, decimal conversions and percentage changes with worked examples that distinguish exact answers from estimates.
Read the guidePerimeter, area and volume: choose the right measurement
Distinguish boundary length, surface area and volume using worked rectangle, border and prism problems, with unit checks and common mistakes explained.
Read the guideNumerical reasoning: turn words and codes into relationships
Translate verbal relationships and defined symbols into calculations, with checked examples on comparisons, constant rates and coded operations.
Read the guidePractice strategies
Mathematics and numerical reasoning: how practice differs
Understand the overlap between mathematics and numerical reasoning, then choose practice based on calculation, modelling and pattern-recognition needs.
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