# Classroom Activities

• ##### Subject Area

• Math: Middle Grades Math: Ratios and Proportional Relationships

6-8

45 Minutes

• ##### Device
• TI-Nspire™
• TI-Nspire™ CAS
• TI-Nspire™ CX
• TI-Nspire™ CX CAS
• TI-Nspire™ Navigator™
• ##### Software

TI-Nspire™
TI-Nspire™ CAS

3.6

• ##### Report an Issue

Proportionality in Tables, Graphs, and Equations

Updated on 08/04/2014

#### Activity Overview

Students will recognize and identify the characteristics of proportional and non-proportional relationships by analyzing a table, equation, and graph.

#### Objectives

• Students will recognize and identify the characteristics of proportional and non-proportional relationships by analyzing a table, equation, and graph.
• Students will identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships (CCSS).
• Students will identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships (CCSS Mathematical Practice).
• Students will model with mathematics (CCSS Mathematical Practice).

#### Vocabulary

• ratio
• slope
• y-intercept
• constant rate of change
• proportional
• non-proportional