Mathematics

Number, algebra, coding, mathematical modelling, data, geometry, measurement, probability, and financial literacy.

Browse course units →✦ Try a guided homework demo

Course snapshot

Grade: 9
Pathway: De-streamed
Prerequisite: None

Sequence note

This is a current Ontario course code. A school may teach the strands in a different order. Math101 organizes shared lessons into a practical study sequence; it does not replace a school’s official course outline.

Course library

Units and connected Math101 lessons

Each topic opens the same central Math101 lesson, so notes stay consistent across courses instead of being copied into disconnected folders.

Number and proportional reasoning

Real NumbersFull lesson Rational NumbersFull lesson ExponentsFull lesson Scientific NotationFull lesson RatiosFull lesson RatesFull lesson PercentFull lesson

Algebra and coding

VariableFull lesson ExpressionFull lesson Combining Like TermsFull lesson Distributive PropertyFull lesson Solving Multi-Step EquationsFull lesson

Relations and modelling

Coordinate PlaneFull lesson SlopeFull lesson Linear EquationFull lesson Slope-Intercept FormFull lesson Introduction to FunctionsFull lesson

Geometry and measurement

Pythagorean TheoremFull lesson PerimeterFull lesson AreaFull lesson Surface AreaFull lesson VolumeFull lesson

Data, probability, and finance

MeanFull lesson MedianFull lesson ModeFull lesson RangeFull lesson Scatter PlotsFull lesson ProbabilityFull lesson Simple InterestFull lesson Compound InterestFull lesson