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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How do you write a ratio?

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Ratios can be written in three ways: using the word 'to' (e.g., 2 to 3), using a colon (e.g., 2:3), or as a fraction (e.g., 2/3).

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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 a ratio, helping to visualize the relationship between the quantities.

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How do you find a missing number in a ratio table?

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To find a missing number in a ratio table, use equivalent ratios or cross-multiplication to solve for the unknown.

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What is the ratio of red toy cars to all toy cars if there are 3 red, 2 black, and 5 white toy cars?

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The ratio of red toy cars to all toy cars is 3:10.

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If a recipe calls for 2 cups of flour and 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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What does it mean if two ratios are equivalent?

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Two ratios are equivalent if they represent the same relationship between quantities, meaning they simplify to the same fraction.

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How can 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 the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

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The ratio of red apples to green apples is 4:3.

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How do you express a ratio as a fraction?

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To express a ratio as a fraction, write the first quantity as the numerator and the second quantity as the denominator.