[Free Registration/Login may be required to access all resource tools.] In this lesson students find unknown measurements indirectly using the ratios and proportions of similar figures. Students examine guided notes, review guided...

A comprehensive lesson on algebraic thinking where students create and identify patterns using proportional reasoning. Research based, this lesson includes technology connections, items for discussion, and extension activities.

Provided by Arizona State University, this website is a comprehensive thematic, inquiry-based art education resource. Includes two interdisciplinary units of lessons.

[Free Registration/Login may be required to access all resource tools.] In this lesson students estimate 15% of a total price to estimate tips. Students examine guided notes, review guided practice, watch instructional videos and attempt...

This example provides a clear explanation of how to compare figures to see if they are similar and the formula to determine if the ratios are equal. Interactive practice activities are provided.

[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn to find unit rates. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.

WyzAnt provides an explanation and examples on solving proportions. Proportions practice problems and a proportion calculator are included in this lesson.

[Free Registration/Login may be required to access all resource tools.] Explains mass ratio definition and mass ratio calculations.

[Free Registration/Login may be required to access all resource tools.] Understand direct and inverse variation.

This lesson will introduce the meaning of weighted average, and demonstrate how to solve for the weighted average of a data set. Students can look at a presentation and then take an online quiz.

This is a beginning lesson on the concept of probability. Through a series of informal comparisons, the student will explore the chances of various outcomes of an event. The student will use vocabulary associated with probability.This...

In this lesson, Roald Dahl's book The Witches is used as a mentor text. Young scholars will attempt to save themselves and the other children. Students will analyze real population statistics from world-wide and details from the story to...

[Free Registration/Login Required] This lesson contains notes and examples for instructing how to solve proportions. Begins with relations to equivalent fractions, and then gets into solving algebraically using cross products. It...

An interactive simulation that teaches about ratios, proportional reasoning, and using double number lines to look for patterns through interactions while shopping for fruits, vegetables, and candy and by comparing cars with different...

Explains the basics and terminology of proportions.

A concise graphing calculator lesson on proportions. Detailed examples, demonstrations of functions, and practice problems included. Acrobat Reader required.

[Free Registration/Login may be required to access all resource tools.] Find scale dimensions using actual measurements and a ratio or proportion.

A complete CCSS Grade 7 Mathematics course that includes interactives in every lesson, plus videos, hands-on activities, and questions with immediate feedback. Every lesson also has specifically chosen 'Related Modalities' that teach the...

[Free Registration/Login may be required to access all resource tools.] Write fractions as percents by using proportions and equal ratios.

This lesson will introduce the means and extremes of a proportion, and demonstrate how to use cross multiplication to determine if two ratios are equivalent. It is 5 of 8 in the series titled "Equivalent Ratios."

This lesson will introduce the means and extremes of a proportion, and demonstrate how to use cross multiplication to determine if two ratios are equivalent. It is 8 of 8 in the series titled "Equivalent Ratios."

This lesson will introduce the meaning of weighted average, and demonstrate how to solve for the weighted average of a data set. Students can look at a presentation and then take an online quiz.

The tutorial investigates proportions and ratios. The lesson includes explanations on solving problems with ratios using cross multiplication.

Through this instructional activity, middle schoolers will learn how to use ratios to create a scale drawing of their classroom's floor plan. It provides adaptations, discussion questions, assessment rubric, and suggested readings to...