Simplify a ratio

Find the mode of a set of data

Find the median of a set of data

Find 10% of something

Convert a percentage to a decimal

Convert a decimal to a percentage

Represent a probability as a fraction

Predict how many degrees there will be in a particular fraction of a pie chart

Express one number as a percentage of another

Express one number as a fraction of another

Find the area of an irregular shape

Calculate a circle's diameter from its radius

Calculate a circle's radius from its diamter

Find a fraction part of an amount (e.g. a quarter of 240)

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