755 prompts matching "The identity matrix of order three"
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Finding an unknown coordinate using the gradient formula
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Equation of a line with a given y-intercept and passing through a point
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Expanding a product of two brackets
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Changing the subject when the variable appears twice
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Changing the subject with a square or square root
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Factorising a quadratic with a coefficient in front of x squared
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Explaining the difference between an expression and an equation
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Show All Working: Classifying a mixed list of numbers as rational or irrational
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Show All Working: Deciding whether two given surds are equal without a calculator
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Learn: Why a surd is never left in the denominator
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Show All Working: A conjugate where the surd term comes first
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Spot My Mistake: Reading closure off an operation table
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Quiz: Reading commutativity off a symmetrical operation table
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Learn: What it means for one operation to distribute over another
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Practice: Why an identity element must work from both sides
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Common Mistakes: Checking an inverse by working the operation both ways
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Learn: Reading index notation, the base and the exponent
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Common Mistakes: Why the index laws need the bases to match
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Learn: Why any non-zero number to the power nought is one
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