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Vocabulary

Vocabulary. Focus on. Geometry and Measurement. Can you spell each word correctly ?. Do you know the definition of each word?. Essential Question. How do we identify geometric shapes?. There are many different geometric shapes. polygon.

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Vocabulary

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  1. Vocabulary Focus on Geometry and Measurement

  2. Can you spell each word correctly?

  3. Do you know the definition of each word?

  4. Essential Question How do we identify geometric shapes?

  5. There are many different geometric shapes.

  6. polygon polygon– a closed figure made up of three or more line segments.

  7. Examples: The following are examples of polygons: The figure below is not a polygon, since it is not a closed figure:

  8. irregular polygon irregular polygon- a polygon that has sides of various lengths and angles.

  9. parallelogram parallelogram-a shape that has four sides where the opposite sides are equal in length and parallel.

  10. parallelogram parallelogram - a four-sided polygon with two pairs of parallel sides. The sum of the angles of a parallelogram is 360 degrees. Examples:

  11. rhombus rhombus- a shape that has opposite sides parallel and four sides all of the same length.

  12. rhombus rhombus-a four-sided polygon having all four sides of equal length. The sum of the angles of a rhombus is 360 degrees.

  13. trapezoid trapezoid – a four sided shape with only 2 parallel lines.

  14. trapezoid trapezoid - a four-sided polygon having exactly one pair of parallel sides. The two sides that are parallel are called the bases of the trapezoid. Examples:

  15. rectangularprism rectangular prism– a three dimensional figure with 6 faces - opposite faces are the same size.

  16. quadrilateral quadrilateral- a polygon with four sides and four angles. 90° 90˚ 90 x 4 =360 ° 90° 90°

  17. quadrilateral quadrilateral - a four-sided polygon. The sum of the angles of a quadrilateral is 360 degrees. Examples:

  18. Here is a website to further assist in understanding the vocabulary words http://www.mathleague.com/help/geometry/polygons.htm

  19. Essential Question How many ways can we measure things?

  20. Ways to MeasureLength • Inch • Feet • Yard • Meter • Centimeter

  21. length length -the longest measure of anything. A ruler helps you measurelength.

  22. inch inch- a measure of length equal to 1/12 of a foot. A way to measure length. A quarter is about 1 inch. 12 inches = 1 foot

  23. foot foot- 12 inches equals 1 foot. Use a ruler to measure length. 12 inches = 1 foot

  24. yard yard- a unit of measure of 3 feet or 36 inches. Use a yard stick to measure length. 36 inches = 3 feet = 1 yard

  25. centimeter centimeter – Metric Measurement - A unit which is less than an inch or 1/100 of a meter. A way to measure length.

  26. meter meter– the basic unit of length in the Metric System which equals about 39 ½ inches. Meter –a way to measure length.

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