Christmas Cookie Ratios

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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:b'.

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How do you simplify a ratio?

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To simplify a ratio, divide both sides of the ratio by their greatest common divisor (GCD).

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What does the ratio 9:11 represent in a cookie context?

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It means for every 9 star cookies, there are 11 total cookies.

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If there are 36 total cookies and 18 are chocolate chip, what is the ratio of chocolate chip cookies to total cookies?

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The ratio is 18:36, which simplifies to 1:2.

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What is the ratio of red frosted cookies to green frosted cookies if there are equal amounts?

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The ratio is 1:1.

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If 3 more red frosted cookies are added to 6 existing ones, what is the new ratio of red frosted cookies to chocolate chip cookies if there are 9 chocolate chip cookies?

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The new ratio is 9:11.

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What is the ratio of chocolate chip cookies to star cookies if there are 11 chocolate chip cookies and 36 star cookies?

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The ratio is 11:36.

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CCSS.6.RP.A.1

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How do you express a ratio in simplest form?

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Divide both terms of the ratio by their GCD until no further simplification is possible.

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CCSS.6.RP.A.1

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If you have 18 cookies and 5 have bites taken out, what is the ratio of total cookies to bitten cookies?

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The ratio is 18:5.

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What is the importance of understanding ratios in baking?

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Understanding ratios helps in maintaining the correct proportions of ingredients for consistent results.