1,304 prompts matching "WAEC exam prep: Casting out nines as a check on a calculation"
Spot my mistake: Using exponential decay to model a real-life
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Quiz: Factorising an algebraic expression by extracting
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Practice set: Factorising a quadratic expression of the form
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Spot my mistake: Manipulating an algebraic fraction
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Quiz: Comparing two sets of data using their statistical
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Practice set: Recognising the restrictions on the conclusions
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Spot my mistake: Constructing a triangle given the lengths
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Quiz: Converting between millimetres, centimetres and metres
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Practice set: Converting between grams, kilograms and tonnes
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Quiz: Recognising the symmetry properties of a prism
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Practice set: Calculating the mean of a set of individual data
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Spot my mistake: Calculating the mode of a set of individual
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Quiz: Drawing a bar chart from a frequency table
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Practice set: Calculating the sector angles for a pie chart
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Spot my mistake: Drawing and interpreting a stem-and-leaf
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Quiz: Solving a fractional equation with a linear algebraic
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Practice set: Solving simultaneous linear equations in two variables
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Spot my mistake: Solving simultaneous equations where one unknown is already the subject
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Practice set: Ordering quantities using the symbols for equal to, less than and greater than
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Spot my mistake: Rounding a number to a given number of significant figures
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