Chapter 2 CC1 CPM Vocabulary

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area

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The number of non-overlapping unit squares of a given size that will exactly cover the interior of a plane figure.

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histogram

Back

Similar to a bar graph except that each bar represents data in an interval of numbers.  The intervals for the data are shown on the horizontal axis.  The frequency (number of pieces of data in each interval) is represented by the height of a bar above the interval.  

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bar graph

Back

A bar graph is a set of verical bars that have height proportional to the number of data elements in each category.

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generic rectangle

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A type of diagram used to visualize multiplhing expressions without algebra tiles.  Each expression to be multiplied forms a side length of the rectangle, and the product is the sum of the areas of the sections of the rectangle.

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perimeter

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The distance around a figure.

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Venn Diagram

Back

A diagram that uses circles to display elements of different sets. Overlapping circles show common elements.

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Greatest Common Factor

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The largest factor that two or more numbers have in common.

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Distributive Property

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For any a, b, and c, a(b + c) = ab + ac. For example, 10(7 + 2) = 10 · 7 + 10 · 2.

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bin

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an interval on a histogram

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dot plot

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A way of displaying data that has an order and can be placed on a number line. They are generally used when the data is discrete (separate and distinct) and numerous pieces of data fall on most values.