Tenth graders answer a variety of problems based on similar triangle and learn about the rule of thumb. They will test the rule of thumb by estimating the distance to an object in the classroom.

Pupils examine concrete samples and guess their strength. They determine the correlation between concrete strength and the cement to water ratio that was used in making each sample. They make a quality concrete based on their findings.

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.

Eighth graders follow a recipe, focusing on the concepts of ratio and proportion, to mix a batch of icing. They decorate cupcakes in the form of a pumpkin.

Fifth graders define the meaning of similar and congruent using concrete objects. They make similar and congruent figures using geoboards. They draw their figures on dot paper, and color their designs.

Third graders attempt to determine the height of a telephone pole or tree without climbing to the top.

The interactive tutorial explores ramps and ratios. Learners view and analyze images of ramps and steps to see if they conform to the requirements of the Americans with Disabilities Act. The activity has students measure vertical and...

The mathematics resource consists of an assessment with hints and solutions. Students answer questions that review ratios and proportions.

The randomly generated questions examine ratios. Students answer the multiple choice questions which include hints and solutions.

The randomly generated questions explore ratio applications. Students answer the multiple choice questions which include hints and solutions.

Learners assess their mathematics skills by answering these randomly generated multiple choice questions. Topics included are simplifying ratios, solving ratios, and rates.

The mathematics resource consists of an assessment with hints and solutions. Students answer questions that review proportional reasoning.

Learners assess their mathematics skills by answering these randomly generated multiple choice questions. Topics included are ratios in simplest form, ratio comparisons, and equivalent ratios.

In this Cyberchase video segment, Bianca volunteers to take over an important job at a copy shop. She must make a life-size copy of a photo of the King of Sloovoonia.

Students explore and use the concept of ratio in a real-world situation. They will make judgments regarding accuracy and precision of measurement.

This resource allows users to test their knowledge of fractions. Express fractions, mixed fractions, decimals, percents and ratios in lowest terms.

Did you know that chefs must know how to use ratios in order to prepare meals? Learn the value of understanding how to write ratios, ratio proportionality, and ratios in lowest terms in this interactive lesson. Based on real world...

Print or create worksheets or flashcards to assess students' understanding of ratio concepts.

Is the Statue of Liberty's nose too long? Challenge is to figure out the length of the Statue of Liberty's nose by knowing the length of her arm.

Use the information from the U.S. Census to determine if women will ever earn as much money as men.

Students who have a clear understanding of the previous lessons can work on gallery problems of their choosing. This can be used as a good review or assessment.

Activities for students that allow them to explore the concept of comparing ratios and unit rates using real-world scenarios.