519 prompts matching "IGCSE practice: Comparing two classes of different widths"
WAEC pitfalls: Confusing a position vector with a displacement vector
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on confusi
Explain back: Why translation preserves both shape and size
I have just studied why translation preserves both shape and size in my SS3 Mathematics cl
WAEC pitfalls: Writing a column vector with its components reversed
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Explain back: Reflecting a point in the line y equals x
I have just studied reflecting a point in the line y equals x in my SS3 Mathematics class.
Explain back: Rotating a point 180 degrees about the origin
I have just studied rotating a point 180 degrees about the origin in my SS3 Mathematics cl
Explain back: What a fractional scale factor does to a shape
I have just studied what a fractional scale factor does to a shape in my SS3 Mathematics c
WAEC pitfalls: Assuming a negative scale factor simply shrinks a shape
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WAEC pitfalls: Assuming matrix multiplication is commutative
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Explain back: Solving by multiplying through by the inverse matrix
I have just studied solving by multiplying through by the inverse matrix in my SS3 Mathema
Explain back: Rearranging an equation so it can be solved from a drawn curve
I have just studied rearranging an equation so it can be solved from a drawn curve in my S
WAEC pitfalls: Giving a graphical answer to more accuracy than the scale allows
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Explain back: Shading the feasible region on a graph
I have just studied shading the feasible region on a graph in my SS3 Mathematics class. Le
WAEC pitfalls: Ignoring the non-negativity constraints
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Explain back: Why the absolute value is taken in mean deviation
I have just studied why the absolute value is taken in mean deviation in my SS3 Mathematic
Explain back: Decimal places and significant figures distinguished
I have just studied decimal places and significant figures distinguished in my SS3 Mathema
WAEC pitfalls: Dropping trailing zeros that are in fact significant
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Explain back: Why percentage error is more useful than absolute error
I have just studied why percentage error is more useful than absolute error in my SS3 Math
WAEC pitfalls: Giving a percentage error as a negative quantity
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Explain back: How compound interest differs from simple interest
I have just studied how compound interest differs from simple interest in my SS3 Mathemati