Compare proportional situations and determine unknown values in proportional situations, and apply proportional reasoning to solve problems in various contexts.
8.C1.1
Identify and compare a variety of repeating, growing, and shrinking patterns, including patterns found in real-life contexts, and compare linear growing and shrinking patterns on the basis of their constant rates and initial values.
8.C1.2
Create and translate repeating, growing, and shrinking patterns involving rational numbers using various representations, including algebraic expressions and equations for linear growing and shrinking patterns.
8.C4
Apply the process of mathematical modelling to represent, analyse, make predictions, and provide insight into real-life situations.