G EOMETRY V OCABULARY A Third Grade Unit CENTIMETER A metric unit used to measure length. 1...
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GEOMETRY VOCABULARY A Third Grade Unit
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Transcript of G EOMETRY V OCABULARY A Third Grade Unit CENTIMETER A metric unit used to measure length. 1...
- Slide 1
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- G EOMETRY V OCABULARY A Third Grade Unit
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- CENTIMETER A metric unit used to measure length. 1 centimeter
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- L INE S EGMENT A part of a line. A line segment has two endpoints. It starts and stops.
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- L INE A straight path that goes on forever in both directions
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- H ORIZONTAL A line that extends from left to right.
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- VERTICAL A line that extends up and down.
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- P ARALLEL LINES Lines that never intersect or cross.
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- P ERPENDICULAR LINES Two lines that cross or meet to form right angles or square corners.
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- PERIMETER The distance around the outside of a figure. To find perimeter all of the sides in the shape are added together. side + side + side = perimeter 4 cm 3 cm 4 cm + 4 cm + 3 cm = 11 cm
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- QUADRILATERAL A figure with four sides.
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- A DJACENT SIDES Two sides that meet at a point. They are next to each other. They are NOT opposite each other. a b c d Sides a and d are adjacent to each other. Sides a and c are opposite each other.
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- PARALLELOGRAM A quadrilateral with both pairs of opposite sides parallel. Only one set of opposite lines are parallel.
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- R ECTANGLE A parallelogram that has 4 right angles. Opposite sides are the same length. 4 cm 2 cm
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- SQUARE A special rectangle with four sides of the same length and four right angles. 3 cm
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- RHOMBUS A parallelogram with equal sides. A rhombus does not have to have right angles but it can. 3 cm 2 cm 4 cm