1,482 prompts matching "The formula for standard deviation of ungrouped data, and what each symbol means"
Teach me: Adding and subtracting binary numbers
Act as my SS1 Maths tutor. Teach me adding and subtracting binary numbers, using a simple
Practice set: Converting a number from base two back to base
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Quiz: A fractional index whose numerator is not one
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Teach me: Rewriting an index statement as a logarithm statement
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Spot my mistake: Using logarithm tables to divide two numbers
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Word problem: Raising a number to a power using logarithms
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Teach me: Solving a mixed problem combining multiplication
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Quiz: Cancelling a common factor to simplify a ratio
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Practice set: Increasing a quantity in a given ratio
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Spot my mistake: Comparing two ratios
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Word problem: A rate as a comparison between two different units
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Teach me: Solving a real-life percentage increase or decrease
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Quiz: Converting a percentage to a fraction and a decimal
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Practice set: Simplifying algebraic expressions by grouping
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Spot my mistake: Collecting like terms in an expression
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Teach me: Factorising an algebraic expression by grouping
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Quiz: Substituting given numerical values into an algebraic
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Practice set: Manipulating directed (positive and negative)
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Spot my mistake: Describing a set using set-builder notation
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Quiz: Drawing a two-set Venn diagram from given numbers
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