Curated OER
Inequalities
Sixth graders explore the concept of inequalities and how to solve them in the realm of integers. The instructor would benefit from using a number line and reviewing integers before using this instructional activity.
Curated OER
Ratio and Proportion
Students investigate ratio and proportion. In this middle school mathematics activity, students write ratios and find equal ratios. Students use ratio and proportion to distinguish between healthy and unhealthy body proportions.