Don't get it crossed—the resource is a great one. Scholars read and watch a video that explains proportions and cross products. They then use an interactive to determine that cross products are equal and answer a set of challenge...

You'll be over the moon about this resource. Scholars draw a line representing the weight of an object on the moon based on its mass. Consideration of the constant of proportionality allows them to see relationships between weight of an...

In this exploring slope instructional activity, students solve and complete 4 different problems. First, they compare an object's weight on Earth to an object's weight on another planet using the information given. Then, students compare...

Mathematicians answer five questions about percents, ratios, and proportions with help from an interactive graduated cylinder. Question types include multiple-choice, fill-in-the-blank, and discussion. 

My, what big ears you have! Novice JavaScript programmers adjust Mickey's ears to be proportional with his face and any changes to it. The key is to use variable expressions so that the values used are dependent upon the variable that...

In this problem solving practice test, students select the best answer from 4 choices to ten questions. Questions are word problems and cover a variety of topics.

In this electrical circuit learning exercise, students answer a series of 13 open-ended questions about digital-to-analog converter circuits. They analyze schematics in order to answer the questions. This learning exercise is printable...

In this online interactive history worksheet, students respond to 10 short answer and essay questions about the achievements of Johannes Kepler. Students may check some of their answers on the interactive worksheet.

Gives examples of ratios and proportions and how to solve them.