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Algebra I #3.9b, Proportions - Cross multiply & Cross products
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An explanation of how to solve proportion problems for a variable by using cross multiplication to find cross products. #3.9b
Algebra I #3.9a, (The previous video to this one)
Ratio vs Proportion
Grade 8 Math #3.1a,
Proportional relationships with tables
Grade * Math #3.1b,
Proportional relationships with equations
Grade 8 Math #3.1c,
Proportional relationships with graphs
Grade 7 Math #4.2a,
Proportions and rate of change
Grade 6 Math #5.3,
Proportions - proportional fractions
Grade 6 Math #5.4,
Solve Proportions using equivalent ratios
Grade 6 Math #5.5,
Solve proportions using unit rates
If you like my work, think my videos are helpful,
and become a monthly Patron and subscriber to Joann's School.
You can also use YouTube's Fan Funding. Thank You!
Algebra I #3.9a, (The previous video to this one)
Ratio vs Proportion
Grade 8 Math #3.1a,
Proportional relationships with tables
Grade * Math #3.1b,
Proportional relationships with equations
Grade 8 Math #3.1c,
Proportional relationships with graphs
Grade 7 Math #4.2a,
Proportions and rate of change
Grade 6 Math #5.3,
Proportions - proportional fractions
Grade 6 Math #5.4,
Solve Proportions using equivalent ratios
Grade 6 Math #5.5,
Solve proportions using unit rates
If you like my work, think my videos are helpful,
and become a monthly Patron and subscriber to Joann's School.
You can also use YouTube's Fan Funding. Thank You!
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