754 prompts matching "IGCSE word problem: The lowest common multiple of two numbers"
Worked example: Finding the mirror line from an object and its image
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Quiz me: Rotating a point 90 degrees about the origin
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Spot my mistake: Rotating clockwise when the question says anticlockwise
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Practice set: Rotating a shape about a point other than the origin
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Spot my mistake: Measuring the scale factor from the wrong centre
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Quiz me: Calculating a determinant from the four entries
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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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Quiz me: Identifying the coefficient matrix and the constant matrix
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Spot my mistake: Multiplying by the inverse on the wrong side
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Worked example: Solving a 2 by 2 system by the matrix method
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Practice set: Finding the roots from where the curve cuts the x-axis
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Spot my mistake: Plotting cumulative frequency at the class midpoint
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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: Reading a quantity from a pie chart given the total
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Teach me: Significant figures, and how to count them
You are my personal SS3 Mathematics tutor. Teach me significant figures, and how to count
Spot my mistake: Rounding twice and drifting away from the true value
Act as my SS3 Mathematics tutor. Work a question on rounding twice and drifting away from
Worked example: The percentage error left by a rounded calculation
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Practice set: The greatest possible error in a rounded measurement
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