An algebraic statement with a letter equal to an expression. Used to work out a missing variable by substituting in all other known variables. Plural is formulae.

# Category Archives: F

# Factorise (fully)

Write the expression using brackets.

# Function Machine

A diagram showing the inputs, function(s) and outputs.

# Function

A set operation that is applied to a set of inputs.

# Fair

All outcomes have the same probability of happening.

Example: An un-biased coin is fair, as both sides have a 50% chance of landing on them.

ðŸ”‘ Key Acute Topics:Â Basic Probability

ðŸ‘€Also Look Up: Probability

# Frequency Table

A table showing data in groups rather than in lists.

Example: Complete the frequency table.Â

ðŸ”‘ Key Frequency Topics: Frequency Tables, Mean from a Frequency Table, Â Estimated Mean, Median from a Frequency Table, Median for Grouped Data, Histograms, Frequency Trees, Cumulative Frequency, Frequency Polygons

# Frequency

Total number of times.

Example: Complete the frequency table.Â

ðŸ”‘ Key Frequency Topics: Frequency Tables, Mean from a Frequency Table, Â Estimated Mean, Median from a Frequency Table, Median for Grouped Data, Histograms, Frequency Trees, Cumulative Frequency, Frequency Polygons

# Fraction

A number which is less than a whole number. Written with a numerator and a denominator, one over the other.

Example: 0.5 can be written as the fraction Â½ ^{Â }

ðŸ”‘ Key Denominator Topics: Mixed Numbers and Improper Fractions, Adding/Subtracting Fractions, Multiplying Fractions, Dividing FractionsÂ

# Find

Show some calculations to show how you get to the final answer.Â

Example: Find the sum of…Â

ðŸ”‘ Key Find Topics: Pythagoras

# Factorial – !

The operation which multiplies a number by all the whole numbers proceeding it all the way down to 1.

ExampleÂ 5! = 5 x 4 x 3 x 2 x 1

ðŸ”‘ Key Factorial Topics: Combinations