Grade Level(s): 7
Keywords: Comparing Years, comparing, years, days, percent, cpalms, icpalms, illustrativemathematics.org, illustrative mathematics, tasks, mathematics, math, Florida standards, resource, free, freely available, problems-based learning, student activities, dimensional analysis, percent decrease
Many students will not know that when comparing two quantities, the percent decrease between the larger and smaller value is not equal to the percent increase between the smaller and larger value. Students would benefit from exploring this phenomenon with a problem that uses smaller values before working on this one.
Source and Access Information
Name of Author/Source: Brian Carmichael
District/Organization of Contributor(s): FSU Lab School
Is this Resource freely Available? Yes
Access Privileges: Public
* Please note that examples of resources are not intended as complete curriculum.