1,467 prompts matching "The mean by the assumed mean method (IGCSE Marking)"
Extra quiz: A quadratic with a repeated root
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More WAEC practice: Rounding a number to a given number
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Find my error: Using proportional reasoning to solve
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More WAEC practice: Collecting like surds after simplifying each
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Teach me again: Squaring a bracket that contains a surd
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More practice: Expressing a direct proportion between two quantities
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Find my error: Finding an unknown quantity using direct
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More WAEC practice: Using Pythagoras to find a shorter side
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Extra quiz: Plotting Cartesian coordinates in two dimensions
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Explain back: Prime numbers, and why one is not prime
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Explain back: Why division and multiplication rank equally
I have just studied why division and multiplication rank equally in my SS1 Mathematics cla
Worked example: A calculation mixing all four operations
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Explain back: Estimating a square root between two whole numbers
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Explain back: Converting between hours, minutes and seconds
I have just studied converting between hours, minutes and seconds in my SS1 Mathematics cl
Worked example: Working out a duration from a start and finish time
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Explain back: Converting between a fraction and a percentage
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Worked example: Ordering a mixed list of fractions, decimals and percentages
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Explain back: Percentage increase and percentage decrease
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Explain back: Substituting numbers into an expression
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Worked example: Writing an expression from a described situation
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