6.R.1.a
Determine ratios from concrete models, drawings, and/or words.
Example Problems
Apples are on sale for $3.12 per kilogram.
Is the total cost of the apples proportional to the total mass?
Is the total cost of the apples proportional to the total mass?
At a parking lot, there are 28 trucks and 16 cars.
What is the simplified ratio of trucks to cars?
What is the simplified ratio of trucks to cars?
At a pet shelter, there are 9 dogs, 12 cats, 3 rabbits, and 6 turtles.
What is the simplified ratio of cats to all animals?
What is the simplified ratio of cats to all animals?
Khan Academy ResourcesRatio tablesRatio reviewEquivalent ratio word problemsRatio tablesCreate double number linesRatios with tape diagramsPart-part-whole ratiosRelate double number lines and ratio tablesEquivalent ratios with equal groupsRatios on coordinate planeRatios and units of measurementUnderstand equivalent ratios in the real worldEquivalent ratios in the real worldRatios with double number linesBasic ratiosEquivalent ratio word problemsIntro to ratesBasic ratiosEquivalent ratios: recipeRatios with tape diagramsSimplify a ratio from a tape diagramRatios and measurementRatios with tape diagrams (part:whole)Ratios and double number linesPart:whole ratiosUnderstanding equivalent ratiosRatios on coordinate planeIntro to ratiosPart to whole ratio word problem using tablesInterpreting unequal ratios

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