755 prompts matching "Practice: The probability of drawing one ball of each colour"
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Zero index rule
I am in SS 1. I'm going to explain the zero index rule, showing why any nonzero number rai
Negative indices in algebraic fractions
I am in SS 1. I attempted an Additional Maths question on simplifying an algebraic express
Solving index equations with matching bases
I am in SS 1. I'm going to explain solving an index equation by rewriting both sides with
Index equations with a fractional right-hand side
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Solving 9^x x 3^(x+1) = 1
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Simplifying an algebraic fraction with index rules
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Verifying an index law with numbers
I am in SS 1. I'm going to explain verifying that a^m divided by a^n equals a^(m-n) using
Index expression with three unknown letters
I am in SS 1. I'm going to explain simplifying an expression with three letters and mixed
What makes a number a surd
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Adding and subtracting like surds
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Adding surds that need simplifying first
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Expanding a binomial surd bracket
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Rationalising a denominator with a surd and integer
I am in SS 1. I'm going to explain rationalising a denominator such as 6 divided by (2 roo
Surd answers in area and perimeter questions
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Explaining why we rationalise denominators
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Three-set Venn diagram word problem
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Finding a missing intersection from set sizes
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Set-builder notation basics
I am in SS 1. I'm going to explain reading and writing sets using set-builder notation, su
Proper subsets versus subsets
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Set difference A minus B
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