1,045 prompts matching "Testing the even numbers for closure under addition"
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Practice: Arrangements of a word with repeated letters
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Spot My Mistake: Arrangements with two particular items adjacent
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Learn: What makes a permutation cyclic
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Quiz: Why one person is fixed in a circular arrangement
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Explain Back: Circular arrangements with two people kept apart
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Spot My Mistake: Arrangements round a table with men and women alternating
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Learn: Selecting a team of five from a squad
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Practice: A selection that must include one particular member
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Explain Back: A selection that must exclude one particular member
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Learn: Probability as favourable outcomes over total outcomes
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Explain Back: Probability with replacement and without replacement
I have just studied probability with replacement and without replacement in my SS2 Further
Learn: Building Pascal's triangle row by row
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Spot My Mistake: Expanding a bracket with a minus sign inside it
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Give me practice on quadratic trinomial factorisation
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Spot my mistake in factorising x^2+5x+6
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WAEC-style factorisation question
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Worked example: factorising a harder trinomial
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Difference of two squares practice
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Solve x^2 + 5x + 6 = 0 by factorisation
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Solve x^2 - 7x + 12 = 0 by factorisation
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