Lesson Plan: Using Double Number Lines and Tape Diagrams to Represent Ratio
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to use double number lines to visualize equivalent ratios and tape diagrams to describe a ratio relationship between two quantities and use these methods to solve problems.
Objectives
Students will be able to
- represent equivalent ratios using double number lines,
- use tape diagrams to represent ratios and describe relationships between quantities,
- use double number lines and tape diagrams to solve ratio problems, including sharing a quantity into a ratio.
Prerequisites
Students should already be familiar with
- writing ratios,
- equivalent ratios.
Exclusions
Students will not cover
- algebraic methods for solving ratio problems.
