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This page provides a list of educational videos related to 7.RP.A. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to 7.RP.A.

gratuity and commission - 7.RP.A.3

By Geoff Olson

gratuity and commission

Writing proportional equations

By Khan Academy

Learn how to write a proportional equation y=kx where k is the so-called constant of proportionality.

Identifying proportional relationships

By Khan Academy

Given a table of ratios, watch as we test them for equivalence and determine whether the relationship is proportional.

Identifying proportional relationships

By Khan Academy

A proportionality problem about eating bananas

Identifying proportional relationships

By Khan Academy

Is the perimeter of a square proportional to the side length of the square?

Identifying proportional relationships

By Khan Academy

Is the volume of a square proportional to the side length of the square?

Identifying proportional relationships

By Khan Academy

The relationship between two variables is proportional ifï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½

Identifying proportional relationships with graphs

By Khan Academy

Learn how to tell proportional relationships by drawing graphs. Key idea: the graph of a proportional relationship is a straight line through the origin.

Solving proportions

By Khan Academy

Here's a great video where we explain the reasoning behind solving proportions. We'll put some algebra to work to get our answers, too.

Writing proportions

By Khan Academy

Some examples of writing two ratios and setting them equal to each other to solve proportion word problems

Significance of points on graphs of proportions

By Khan Academy

Graphical representation

Represent proportions by equations

By Khan Academy

Proportional relationships

DEPRECATED Rational number word problems

By Khan Academy

Use your knowledge of proportions and fractions to determine shareholders profit in this word problem.

Rate problems with fractions

By Khan Academy

Determining rates with fractions

Interpreting graphs of proportional relationships

By Khan Academy

Learn how to read and understand graphs of proportional relationships

Fractions & Proportions : Understanding Math Ratios

By

In math, ratio is a fraction in which two variables can compared. Discover how to convert ratios into fractions with help from a math teacher in this free vi...