How are things changing?

Mathematics, Grade 9
MTH1W1 (Grade 9 De-streamed)

Talking About Change

Concepts

  • dependent and independent variables
  • describing rates of change from graphs

Relevant Links

What is a Linear Relation?

Concepts

  • characteristics of linear relations
  • making tables of values from word descriptions
  • making graphs from word descriptions
  • linear relations in real life

Relevant Links

A Closer Look at Rate of Change

Concepts

  • finding rates from word descriptions
  • finding rates from tables of values
  • finding rates from graphs
  • comparing rates of linear and non-linear relations

Relevant Links

Connecting Representations

Concepts

  • equations of the form y=start+rate*x
  • linear and non-linear relations

Relevant Links

Problem Solving with Linear Relations

Concepts

  • solving for the independent variable in the equation of a linear relation
  • interpreting the point of intersection for two linear relations

Relevant Links