755 prompts matching "IGCSE Additional Maths Y11: The identity one plus tan squared equals sec squared"
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Subtracting two algebraic fractions
I am in SS 1. I'm going to explain subtracting two algebraic fractions with different deno
Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the
Solving a word problem using simultaneous equations
I am in SS 1. I'm going to explain a word problem that must be solved by setting up and so
Quiz me rapid-fire on expanding and factorising
I am in SS 1. I'm going to explain a rapid-fire quiz alternating between expanding a brack
Show All Working: Classifying a mixed list of numbers as rational or irrational
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Practice: Collecting similar surds in an expression
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WAEC Prep: Ordering a list of surds by size
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Practice: Multiplying a whole number by a surd
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WAEC Prep: Squaring a single surd
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Show All Working: Simplifying a surd expression that contains brackets
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WAEC Prep: Rationalising a denominator inside a larger expression
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Show All Working: Checking a rationalised answer by decimal approximation
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Practice: Solving an equation with a surd on each side
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Common Mistakes: A surd equation that has no real solution
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Practice: A binary operation set out as a table
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WAEC Prep: Writing a binary operation rule from a description in words
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Show All Working: Evaluating a repeated operation such as a*(b*c)
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Common Mistakes: A binary operation that is ordinary addition in disguise
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Practice: Testing a set for closure under multiplication
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