7th Grade Rates and Unit Rate

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What is a ratio?

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A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

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How do you simplify a ratio?

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To simplify a ratio, divide both terms by their greatest common factor (GCF).

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What is a unit rate?

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A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per'.

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How do you find the unit rate from a ratio?

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To find the unit rate, divide the first quantity by the second quantity to express it as a rate per one unit.

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What is the unit rate of 120 miles in 3 hours?

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The unit rate is 40 miles per hour (120 miles ÷ 3 hours).

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If a car travels 180 miles in 3 hours, what is its speed in miles per hour?

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The speed is 60 miles per hour (180 miles ÷ 3 hours).

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What does it mean to compare ratios?

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Comparing ratios involves determining which ratio is greater, smaller, or if they are equivalent.

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How do you express a ratio of 4 to 8 in simplest form?

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The simplest form of the ratio 4:8 is 1:2.

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What is the ratio of 5 apples to 10 oranges?

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The ratio of apples to oranges is 1:2.

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If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

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The ratio of flour to sugar is 2:3.

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