Site US and Canada
Middle Grades Math: Ratios and Proportional Relationships Classroom ActivitiesDownload
16866

How Does a Spring Scale Work?

Published on

In this lesson, teachers will use a spring to help students learn that the constant of proportionality between two proportional quantities is the unit rate of change.
  • ax-icon-color-device
    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
  • TI-Nspire™ Apps for iPad®
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
Download3,666
image

Recipe: Unit Rate

Updated on

Students look at unit rate in a real-world context. They will use ratios to create points, plot them, and determine the mathematical relationship for the plotted points. Then, they will predict other points based on the relationship determined.
  • ax-icon-color-device
    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
  • TI-Nspire™ Apps for iPad®
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
Download3,769
16893_screen01

Proportionality in Tables, Graphs, and Equations

Updated on

Students will recognize and identify the characteristics of proportional and non-proportional relationships by analyzing a table, equation, and graph.
  • ax-icon-color-device
    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
  • TI-Nspire™ Apps for iPad®
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
Download3,605
hero

Proportions in Stories

Updated on

This lesson involves inputting data into a table, observing the data on coordinate plane, and inputting an equation that corresponds with the table of values.
  • ax-icon-color-device
    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
  • TI-Nspire™ Apps for iPad®
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
Download3,260
16896_screen1

Equations from Unit Rates

Published on

This lesson involves finding a linear equation and confirming the equation represents a proportional relationship with numeric values in ordered pairs or in functions tables.
  • ax-icon-color-device
    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
Download2,963
16895_screen1

Solving Percent Problems

Published on

This lesson involves solving word problems dealing with percents by using visual and numerical representations of percents.
  • ax-icon-color-device
    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
  • TI-Nspire™ Apps for iPad®
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
Download3,915