Lesson Plan

From Ratio Tables to Double Number Line Diagrams

Curated and Reviewed by Lesson Planet

How much sugar is in one bottle? Pupils use double number line diagrams to determine the amount of sugar in a 1L bottle of cola. The teacher leads a discussion on ways that double number lines can be of assistance in solving a problem that may not be as apparent in a ratio table. 

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CCSS: Designed
Additional Tags
Instructional Ideas
  • If the class is not familiar with double number lines, spend some time making sure they know how to use them
  • Bring in bottles of drinks that contain sugar and create problems with the specific amounts of sugar per bottle
Classroom Considerations
  • Individuals should be familiar with how to generate equivalent ratios
  • Resource is the 12th in a 29-part series
Pros
  • Includes blackline masters of double number lines
  • Contains an activity to review equivalent ratios
  • Provides scaffolding suggestions for struggling learners
Cons
  • None
Common Core