Introducing Ratios

In this unit, students are introduced to the concept of ratios; represent ratios using double number line diagrams, tables, and tape diagrams; and use ratio reasoning to solve problems.

Section 1: Introducing Ratios (Lessons 1–6 + Practice Day + Quiz)

• Students use ratio language to describe a ratio relationship between two quantities and identify equivalent ratios.

• Students use tables, double number line diagrams and unit prices to solve problems with equivalent ratios.

Section 2: Solving Problems With Ratios (Lessons 7–14 + Practice Day)

• Students develop and use strategies to compare ratios in context.

• Students use unit rates, double number lines, and tables of equivalent ratios to solve real-world and mathematical problems.