757 prompts matching "IGCSE Maths Y10: How many times an event is expected in 200 trials — Show All Wo"
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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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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Spot my mistake: Plotting a point from the wrong row of the table
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Worked example: Sketching a quadratic from its factorised form
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Spot my mistake: Reading the intersection off the wrong axis
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Worked example: Solving a quadratic graphically by adding a straight line
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Teach me: What linear programming sets out to optimise
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Spot my mistake: Shading the wrong side of a boundary line
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Worked example: Testing the vertices of the feasible region
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Teach me: Drawing a frequency polygon from a frequency table
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Spot my mistake: Plotting cumulative frequency at the class midpoint
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Worked example: Rounding a number whose leading digits are zeros
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Spot my mistake: Dividing by the measured value instead of the true value
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Worked example: The percentage error left by a rounded calculation
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Spot my mistake: Applying the simple interest formula to a compound problem
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Explain back: The condition on the common ratio for a sum to infinity to exist
I have just studied the condition on the common ratio for a sum to infinity to exist in my
Explain back: Recognising direct variation from a table of values
I have just studied recognising direct variation from a table of values in my SS3 Mathemat
Explain back: Rejecting a root that makes no sense in the situation described
I have just studied rejecting a root that makes no sense in the situation described in my