Ratios/Ratio Tables

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What is a ratio?

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

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you express a ratio?

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A ratio can be expressed in three ways: as a fraction (e.g., 3/1), with a colon (e.g., 3:1), or in words (e.g., 3 to 1).

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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 tool used to organize pairs of numbers that form a ratio, helping to visualize the relationship between the quantities.

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How do you find equivalent ratios?

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To find equivalent ratios, you can multiply or divide both terms of the ratio by the same non-zero number.

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CCSS.6.RP.A.3A

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What is the ratio of boys to girls if there are 5 boys and 7 girls?

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The ratio of boys to girls is 5 to 7.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If Luz earns $400 for 40 hours of work, how much does she earn per hour?

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Luz earns $10 per hour ($400 ÷ 40 hours).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you calculate total earnings using a ratio table?

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To calculate total earnings using a ratio table, set up the table with hours worked and corresponding earnings, then find the value for the desired hours.

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What is the ratio of green marbles to red marbles if there are 3 green marbles for every 1 red marble?

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The ratio of green marbles to red marbles is 3:1.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How can you use a ratio to compare two different quantities?

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You can use a ratio to compare two different quantities by expressing the relationship between them, showing how much of one quantity exists in relation to the other.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is the importance of understanding ratios in real-life applications?

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Understanding ratios is important in real-life applications such as cooking, budgeting, and analyzing data, as it helps in making comparisons and informed decisions.