1,448 prompts matching "Practice: Why multiplying by a negative reverses an inequality"
Real-life question: Substituting a solution pair back into the harder equation
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Find my error: Deciding which method is fastest
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Find my error: Using proportional reasoning to solve
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Real-life question: Average speed when a journey has two legs at different speeds
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Teach me again: Squaring a bracket that contains a surd
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Real-life question: Recognising inverse proportion from a table of values
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Spot My Mistake: Types of Numbers (IGCSE)
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IGCSE word problem: The lowest common multiple of two numbers
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Worked example: A calculation mixing all four operations
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Show that, hence find: Inserting brackets to make a statement true
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IGCSE word problem: The square root of a fraction
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Spot My Mistake: Calculating with Time (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on 24-
Show that, hence find: A journey broken into legs with a stop between
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IGCSE quiz: Converting a decimal to a fraction
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Show that, hence find: Choosing the easiest of the three forms for a calculation
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Spot My Mistake: Percentages in Context (IGCSE)
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IGCSE quiz: Collecting like terms
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Spot My Mistake: Introduction to Algebra (IGCSE)
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IGCSE quiz: Recognising a perfect square trinomial from its middle term
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Spot My Mistake: Classifying Statistical Data (IGCSE)
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