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CCSS 7.RP.2.b - constant of proportionality
By Robert Wirtz
CCSS 7.RP.2.b - constant of proportionality
[7.RP.2b-1.0] Constant of Proportionality - Common Core Standard
By Freckle by Renaissance
Identify the constant of proportionality (unit rate) in tables of proportional relationships Front Row is a free, adaptive, Common Core aligned math program for teachers and students in kindergarten through eighth grade. Front Row allows students to practice math at their own pace - learning advanced concepts when they're ready and receiving remediation when they struggle. Front Row provides teachers with access to a detailed data dashboard and weekly email reports that show which standards are causing students difficulty, what small groups can be formed for interventions, and how their students are progressing in math.
Writing proportional equations
By Khan Academy
Learn how to write a proportional equation y=kx where k is the so-called constant of proportionality.
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
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 if������������
DEPRECATED Rational number word problems
By Khan Academy
Use your knowledge of proportions and fractions to determine shareholders profit in this word problem.
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.
Mixture Problems: Solutions with Various Concentrations II
By Khan Academy
The instructor in this video Sal Khan continues to discuss solving mixture problems. This problem involves percentages and how to use a table to help solve the problem. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. The student or educator may want to open the video to 'full screen' as the instructor is using a black background and the writing is small.