640 prompts matching "IGCSE word problem: Reading a Nigerian bus or flight timetable"
Worked example: Finding the centre of enlargement from object and image
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WAEC pitfalls: Assuming a negative scale factor simply shrinks a shape
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Quiz me: Adding and subtracting matrices of the same order
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Spot my mistake: Multiplying matrices whose orders do not match
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Worked example: Multiplying a 2 by 3 matrix by a 3 by 2 matrix
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Spot my mistake: Forgetting to swap the leading diagonal when inverting
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Worked example: Verifying an inverse by multiplying back to the identity
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Worked example: Solving a 2 by 2 system by the matrix method
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WAEC pitfalls: Writing the coefficients out of order in the matrix
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Quiz me: Making a table of values for a quadratic
Act as my SS3 Mathematics tutor and quiz me on making a table of values for a quadratic. A
Worked example: Sketching a quadratic from its factorised form
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Worked example: Solving a quadratic graphically by adding a straight line
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WAEC pitfalls: Giving a graphical answer to more accuracy than the scale allows
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Worked example: Testing the vertices of the feasible region
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WAEC pitfalls: Ignoring the non-negativity constraints
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Worked example: Estimating the median from a cumulative frequency curve
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Quiz me: Calculating the mean before finding the deviations
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Worked example: The mean deviation of an ungrouped data set
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Quiz me: Calculating the angle for each sector of a pie chart
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Spot my mistake: Drawing sector angles that do not total 360 degrees
Act as my SS3 Mathematics tutor. Work a question on drawing sector angles that do not tota