1,483 prompts matching "The identity matrix, and what it does"
Spot my mistake: Drawing and interpreting a stem-and-leaf
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Spot my mistake: Adding and subtracting surds
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Spot my mistake: Using Pythagoras' theorem to find a shorter
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Worked example: Reading the coordinates of a point off a Cartesian grid
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Worked example: Drawing and interpreting a scale drawing
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More practice: The reciprocal (negative index) law of indices
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More practice: Dividing a quantity into a given proportion
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More practice: Finding the principal, rate or time
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Find my error: Using letters of the alphabet to represent
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Another worked example: Describing a set by listing
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More practice: Finding the union of two sets
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Extra quiz: Solving a quadratic equation using the graphical
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Find my error: Reading the maximum or minimum value off
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More practice: Plotting a quadratic graph and identifying
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Another worked example: Identifying natural numbers
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Another worked example: Adding, subtracting, multiplying
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Extra quiz: Substituting numbers into an algebraic expression
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Find my error: Comparing two sets of data using their
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Find my error: Recognising the symmetry properties
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Extra quiz: Finding the interquartile range of a set of data
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