Maths Formulas

Recurring Fractions to Decimals

Find a percentage of something

Increasing number by percent

Decreasing number by percent

Reverse percent: increased

Reverse percent: decreased

Factorizing: Common Factor

Factorizing: Difference of Two Squares

Factorizing: Inspection

Completing the Square

Solving Quadratics

Graphing Quadratcics

Finding the Vertex

Simultaneos Equations

Probability: "and"
(e.g. P(red and blue))

Probability: "or"
(e.g. P(red or blue))

Pythagorain theorem

Finding an angle of a right-angled triangle

Simple Interest (gets the interest)

Compound Interest
(gets principle and interest)

Direct Poportion

Direct Proportion (Variation)

Inverse Proportion

Inverse Proportion (Variation)

Scale Factor

Range of Values

Range of Values on a Numberline

Mean from Grouped Data

Median from Grouped Data

Mode from Grouped Data

Histograms

Area of a Segment of a Circle

Circumference of a Segment of a Circle