Algebraic Thinking Strand


Patterns allow us to generalize relationships within a set of data


Variables and Expressions

A variable is a symbol used to represent a value.

An expression is a mathematical phrase that uses numbers, variables, and/or operations.


Equations and Inequalities

An equation is a sentence that has two equal mathematical expressions.

An inequality is any mathematical sentence that is not an equation.



A function is a relationship in which the value of one variable depends on the value of another variable; each first value may be paired with one and only one second value.


Ratios, Rates, and Proportions

A ratio is a comparison of two of the same measurements.
A rate is a comparison of two different measurements.
A proportion is a comparison of two equivalent ratios.


Multiple Representations

A single mathematical concept can be represented in a variety of forms such as symbols, words, graphs, tables, and equations ...


Data Analysis

The collection and organization of information into a form that is easily understood.