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| a number being added to one or more numbers |
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| the answer in an addition equation |
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| a number being added to one or more numbers |
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| closed plane figure where all sides are line segments. The name of a polygon describes how many sides it has (pentagon, hexagon, octagon.) |
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| the measurement around the outside of a flat shape; for a polygon, the sum of the length of all the sides |
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| the number of square units (or square inches or square cm) needed to cover a flat space |
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| the total amount of space inside a solid figure; measured in cubic units, cubic inches or cubic cm |
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| the top number in a fraction |
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| the bottom number in a fraction |
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| a number that is multiplied to find a product |
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| the answer in an multiplication equation |
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| a mirror image of a figure; a reflection of the first image |
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| the movement of a shape without turning or flipping; a translation |
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| the movement of a figure around a point; a rotation |
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| changing the order of the numbers does not change the answer. (2 + 3 = 5 and 3 + 2 = 5… 4 x 7 = 28 and 7 x 4 = 28) |
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| folding here would allow both halves of a figure to match up perfectly; the two halves are congruent |
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| an angle that is less than a 90 degree right angle |
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| an angle that is more than a 90 degree right angle |
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| a 90 degree angle that forms a perfect square |
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| any of the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 used to write numbers. |
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