Curated OER
Adding and subtracting fractions: the same sized slice
Young scholars establish a strategy for adding simple fractions. They convert improper fractions to mixed numbers and interpret drawings and storyboards.
Curated OER
Deciding Which Type of Graph is Appropriate
In this graphing learning exercise, students read about line, bar, and pie graphs and then determine which graph is the best way to express data results. This learning exercise has 3 short answer questions.
Curated OER
Flying with Fractions
Students test their knowledge of the Wright Brothers and their aircraft, and compute ratio of two numbers to determine the ratio between wing span and length of aircraft.
Curated OER
Aldridge Sawmill -- The Story in Numbers
Seventh graders view a recent transparency of the average rainfall zones of the state of Texas. Using another transparency, they identify the Piney Woods subregion of the Gulf Coastal Plain and locate national forests and sawmills. ...
Curated OER
Apply Technological Design and Scientific Habits of Mind
High schoolers are introduced to the principles involved with technological design. In groups, they use the Internet to research an important historical innovation and how it changed the world. They discover the barriers that were...
Curated OER
Molar Ratio
Students conduct an experiment in which they react sodium bicarbonate with hydrochloric acid to determine the molar ration between the two reactants. Students must write correct formula and a balanced chemical equation and explain how...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Similarity and Proportion Exercises
Twenty-four problems cover the topic of similarity and proportion in various settings. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution"...