How do you find the mean (average)?, Add up all the numbers and divide the total by how many numbers there are., How do you find a fraction of an amount?, Divide the amount by the denominator and multiply the answer by the numerator., How many millilitres are there in a litre?, 1000, How many millimetres in a centimetre?, 10, How do you divide by 10?, Move all the digits one place to the right, How many centimetres in a metre?, 100, How do you find the area of a rectangle?, Multiply the length by the width & write the answer in squared units., How do you find the range of a set of data?, Subtract the smallest number from the biggest number, How do you multiply by 100?, Move all the digits two places to the left., How many metres in a kilometre?, 1000, How do you find the perimeter of a rectangle?, Add up all the sides., How do you find the volume of a cuboid?, Multiply the length by the width by the height., How do you square a number?, Multiply it by itself., How do you divide by 1000?, Move all the digits 3 places to the right., How do you simplify a fraction?, Divide the numerator and denominator by the highest common factor., What does each letter in BIDMAS stand for?, Brackets, indices, division, multiplication, addition, subtraction, How do you turn a fraction into a percentage?, Divide the numerator by the denominator and multiply by 100., How do you turn a percentage into a decimal?, Divide the percentage by 100., How many metres in a kilometre?, 1000, How many millimetres in a centimetre?, 10

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