755 prompts matching "Drawing the polygon of forces to scale"
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Expanding and simplifying with negative brackets
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Dividing algebraic fractions
I am in SS 1. I attempted an Additional Maths question on dividing one algebraic fraction
Representing a solution set on a number line
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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 simultaneous linear equations by elimination
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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
Common sign errors in algebraic manipulation
Show me a fully worked Cambridge/Additional Maths style solution to a question on the most
Learn: Telling a rational number from an irrational one
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Learn: What makes two surds similar
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Final Revision: Surds that cannot be combined at all
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Final Revision: Checking a conjugate answer by multiplying back
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Learn: Solving an equation with a single square root term
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Common Mistakes: A surd equation that has no real solution
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Learn: What a binary operation actually is
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Common Mistakes: A binary operation that is ordinary addition in disguise
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Learn: What closure means for a binary operation
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Final Revision: Why brackets matter when an operation is not associative
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Learn: What an identity element is
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Common Mistakes: Writing a root as a fractional index before simplifying
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Common Mistakes: An indicial equation solved by substitution
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