747 prompts matching "IGCSE quiz: The material needed for a described spherical tank"
Explain back: The inverse of a 2 by 2 matrix and the formula for it
I have just studied the inverse of a 2 by 2 matrix and the formula for it in my SS3 Mathem
Spot my mistake: Forgetting to swap the leading diagonal when inverting
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Real-life Nigeria: Choosing the right chart for a given set of data
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Teach me: The simple interest formula and the symbols in it
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Spot my mistake: Applying the simple interest formula to a compound problem
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Worked example: Compound interest worked year by year and then by formula
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Teach me: Turning a described building task into a mensuration calculation
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Quiz me: Setting up a partial variation equation with two unknown constants
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Quiz me: A four-day market cycle expressed as arithmetic modulo 4
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Quiz Me: Subtraction of numbers in different bases
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Quiz Me: Volume of a cone
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Quiz Me: Word problems on inverse variation
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Quiz Me: Multiplication and division of surds
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Quiz me: Multiplying two binary numbers by shifting and adding
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Quiz me: Reading a four-figure logarithm table
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Quiz me: Inserting an arithmetic mean between two numbers
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Quiz Me: Checking answers using casting out nines
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Quiz me: Solving a congruence by testing each residue in turn
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Quiz me: Probability with replacement compared with probability without it
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Quiz me: A frustum as a cone with its top cut off
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