Ratios and Ratio Tables

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What is a ratio?

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A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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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 divisor (GCD).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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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 'x per 1 unit'.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you find the unit rate from a total?

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To find the unit rate, divide the total quantity by the number of units.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is a ratio table?

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A ratio table is a table that displays pairs of numbers that form equivalent ratios.

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How do you complete a ratio table?

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To complete a ratio table, use equivalent ratios to fill in missing values based on the known ratios.

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What is the ratio of school apps to game apps if Kelly has 5 school apps and 3 game apps?

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The ratio of school apps to game apps is 5 to 3.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If Justin types 408 words in 4 minutes, how many words does he type per minute?

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Justin types 102 words per minute.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you calculate the time taken to cover a distance at a given rate?

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To calculate time, divide the distance by the rate (Time = Distance / Rate).

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CCSS.6.RP.A.3B

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If an ostrich runs 50 miles in 60 minutes, how long does it take to run 15 miles?

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It takes 18 minutes to run 15 miles.

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CCSS.6.RP.A.3B