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12 cards from this deck
Mathematical rule showing relationship between quantities
Formulae
Letters representing unknown values or measurements
Replacing letters in a formula with actual numbers
Brackets, Indices, Division, Multiplication, Addition, Subtraction
Multiply
A=12bhA = \frac{1}{2}bhA=21bh
Write formula, substitute values, calculate using BIDMAS
Write out the formula first
Reduces errors and gains method marks
Time = Weight × 30 + 45
Left to right
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