Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy begin-post-stats Khan Academy • 1M views end-post-stats begin-duration 14:13 end-duration Math topics: _Elementary_mathematics_##Elementary mathematics##_Ratio_##Ratio##_Divisor_##Divisor##_Equality_(mathematics)_##Equality (mathematics)##_Mathematical_objects_##Mathematical objects##_Fraction_(mathematics)_##Fraction (mathematics)##_Partial_function_##Partial function##_Number_##Number Other topics: _Domesticated_animals_##Domesticated animals##_Sheep_##Sheep##_Horse_##Horse##_Dog_##Dog##_Pig_##Pig##_Chicken_##Chicken##_Metaphysics_##Metaphysics##_Suffering_##Suffering##_Thought_##Thought##_Quantity_##Quantity##_Edible_fruits_##Edible fruits##_Apple_##Apple##_Strawberry_##Strawberry##_Orange_(fruit)_##Orange (fruit) video-id: HpdMJaKaXXc channel_Khan_Academy_ So What Learning Domesticated animals , Edible fruits , Elementary mathematics , Mathematical objects , Metaphysics Sunday, January 21, 2018 Share Share