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Khan Academy on a Stick
Ratios as fractions in simplest form
Ratios as Fractions in Simplest Form
Ratios and proportions
Introduction to ratios
Ratios as fractions in simplest form
Simplifying rates and ratios
Ratio word problem: boys to girls
Ratio word problem: centimeters to kilometers
Proportion validity example
Solving ratio problems with tables example 1
Solving ratio problems with tables example 2
Solving ratio problems with graph
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