Bianca visits a bike shop and learns how bicycle gears work in this Cyberchase video segment.

Hummingbirds: Standard 6.RP.3 Use ratio and rate reasoning to solve real-world (with a context) and mathematical (void of context) problems, using strategies such as reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations involving unit rate problems.
This formative assessment exemplar was created by a team of Utah educators to be used as a resource in the classroom. It was reviewed for appropriateness by a Bias and Sensitivity/Special Education team and by state mathematics leaders. While no assessment is perfect, it is intended to be used as a formative tool that enables teachers to obtain evidence of student learning, identify assets and gaps in that learning, and adjust instruction for the two dimensions that are important for mathematical learning experiences (i.e., Standards for Mathematical Practice, Major Work of the Grade).

This is a lesson is performance task based on the topic of Equivalent Ratios.  It starts out with a class discussion for the warm-up and guided-practice drawing on background knowlege of students for using multiplcation of fractions to adjust ingredients of a recipe.  The performance task is design to complete in groups of 4.  The culminating discussion with students presenting their Jamboards is the formative assessment.CitationsLesson image - Created by Sheryl HuntVanilla Pudding Recipe,Task scenario problem and question a-e are adapted from (Illustrative Mathematics, 2019)Culminating Discussion Questions are found on P.43 Elementary and Middle School Mathematics: Teaching Developmentally

In this lesson designed to enhance literacy skills, students examine how to use fractions to measure and help conserve freshwater resources.