1,477 prompts matching "Solving a congruence by testing each residue in turn"
WAEC pitfalls: Applying an inverse operation to only part of a side
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Exam timing: A timed set of change-of-subject questions
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Quiz me: Inverse variation and its constant
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Practice set: Joint variation with two variables
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Explain back: Partial variation and its fixed part
I have just studied partial variation and its fixed part in my SS1 Mathematics class. Let
Spot my mistake: Finding the constant from one pair of values
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Worked example: Using the constant to predict a further value
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WAEC pitfalls: Treating a partial variation as a direct one
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Exam timing: A timed set of variation questions
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Quiz me: Factorising when the coefficient of x squared is one
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Practice set: Factorising when that coefficient is not one
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Explain back: Factorising a difference of two squares
I have just studied factorising a difference of two squares in my SS1 Mathematics class. L
Spot my mistake: Factorising a perfect square trinomial
Act as my SS1 Mathematics tutor. Work a question on factorising a perfect square trinomial
WAEC pitfalls: Cancelling a factor containing the unknown and losing a root
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Exam timing: A timed set of factorisation questions
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Quiz me: Writing a quadratic in the form (x + a) squared plus b
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Practice set: Factoring out the leading coefficient first
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Spot my mistake: Deriving the quadratic formula
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Worked example: Substituting into the quadratic formula carefully
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WAEC pitfalls: Dropping the plus-or-minus from the formula
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