8th Grade Math Home > Teacher Resources > Mathematical Power for All Students K-12 > Part III - Algebraic Thinking Strand

Algebraic Thinking Strand

Patterns

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.

 

Functions

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.

8th Grade Math Home > Teacher Resources > Mathematical Power for All Students K-12 > Part III - Algebraic Thinking Strand