Using Cross Multiplication to Solve Proportions - By Davitily
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DESCRIPTION:
The instructor uses an electronic chalkboard to demonstrate how to use cross multiplication to solve for a missing variable in a proportion. One example is modeled using a step by step approach.
OVERVIEW:
Using Cross Multiplication to Solve Proportions is a free educational video by Davitily.It helps students in grades 7 practice the following standards 7.RP.A.3.
This page not only allows students and teachers view Using Cross Multiplication to Solve Proportions but also find engaging Sample Questions, Apps, Pins, Worksheets, Books related to the following topics.
1. 7.RP.A.3 : Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error..
