1,483 prompts matching "WAEC past questions: Adding three numbers in base five"
Teach me again: Deciding how many places to move the decimal point
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Teach me again: Checking a logarithmic power calculation by estimation
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Another worked example: Finding the original quantity after a decrease in a given ratio
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Teach me again: Converting a rate from one pair of units to another
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Teach me again: Converting naira into a foreign currency at a given rate
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Another worked example: Simplifying an expression containing a fraction
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Teach me again: Why the empty set is a subset of every set
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Teach me again: Checking the solution of a linear equation by substituting it back
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Teach me again: Predicting a value from a direct proportion constant
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Another worked example: Factorising a quadratic whose leading coefficient is not one
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Teach me again: Forming a quadratic whose roots are given as fractions
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Another worked example: Choosing sensible x values for a linear table
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Teach me again: The gradient of a horizontal and of a vertical line
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Teach me again: The right-angle hypotenuse-side condition
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Another worked example: Using the equal intercept theorem to find a missing length
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Teach me again: Choosing the classes for a frequency table
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Teach me again: The class width and the class midpoint
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Another worked example: Finding an angle with the inverse tangent
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Another worked example: Finding a shorter side with Pythagoras
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Teach me again: Converting between the 12-hour and 24-hour clock
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