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- 1. Let’s Find the Shapes in These Houses and Buildings!<br />House<br />Fire House<br />By: Sheena Acton<br />
- 2. We will be exploring these many geometric ideas that are hidden within this house and building:<br />Acute angles<br />Right angles<br />Obtuse angles<br />Congruent angles<br />Adjacent angles<br />Parallel lines<br />Intersecting lines<br />Perpendicular lines<br />Equilateral triangle sand Obtuse triangles<br />Rectangle, Square and Trapezoid<br />A polygon with more than 4 sides (pentagon)<br />A symmetric polygon<br />A non-symmetric polygon<br />A concave polygon<br />A polygon composed by two or more smaller polygons<br />Mirror image/reflection<br />
- 3. Can you find one or more acute angles?<br />An acute angle is an angle with a measure of less than 90 degrees.<br />
- 4. Can you find one or more acute angles?<br />An acute angle is an angle with a measure of less than 90 degrees.<br />
- 5. Can you find one or more right angles?<br />A right angle is an angle that has a measure of 90 degrees.<br />
- 6. Can you find one or more right angles?<br />A right angle is an angle that has a measure of 90 degrees.<br />
- 7. Can you find one or more obtuse angles?<br />An obtuse angle is an angle that has a measure of more than 90 degrees.<br />
- 8. Can you find one or more obtuse angles?<br />An obtuse angle is an angle that has a measure of more than 90 degrees.<br />
- 9. Can you find one or more congruent angles?<br />Congruent angles are angles that have the same measurements.<br />
- 10. Can you find one or more congruent angles?<br />Congruent angles are angles that have the same measurements.<br />
- 11. Can you find one or more adjacent angles?<br />An adjacent angle is when two angles share a common side.<br />
- 12. Can you find one or more adjacent angles?<br />An adjacent angle is when two angles share a common side.<br />
- 13. Can you find one or more parallel lines?<br />Parallel lines are lines on the same plane that do not intersect.<br />
- 14. Can you find one or more parallel lines?<br />Parallel lines are lines on the same plane that do not intersect.<br />
- 15. Can you find one or more intersecting lines?<br />Intersecting lines are two different lines that cross at one common point.<br />
- 16. Can you find one or more intersecting lines?<br />Intersecting lines are two different lines that cross at one common point.<br />
- 17. Can you find one or more perpendicular lines?<br />Perpendicular lines are two lines that intersect to make a right triangle.<br />
- 18. Can you find one or more perpendicular lines?<br />Perpendicular lines are two lines that intersect to make a right triangle.<br />
- 19. Can you find one or more equilateral triangles ?<br />An equilateral triangle is triangle with all three sides the same length.<br />
- 20. Can you find one or more equilateral triangles ?<br />An equilateral triangle is triangle with all three sides the same length.<br />
- 21. Can you find one or more obtuse triangles ?<br />An obtuse triangle is triangle with obtuse angle.<br />
- 22. Can you find one or more obtuse triangles ?<br />An obtuse triangle is triangle with obtuse angle.<br />
- 23. Can you find one or more rectangles?<br />A rectangle isa quadrilateral where all four of its angles are right angles.<br />
- 24. Can you find one or more rectangles?<br />A rectangle isa quadrilateral where all four of its angles are right angles.<br />
- 25. Can you find one or more squares?<br />A square isa quadrilateral where all four of its angles and all four of its sides are equal.<br />
- 26. Can you find one or more squares?<br />A square isa quadrilateral where all four of its angles and all four of its sides are equal.<br />
- 27. Can you find one or more trapezoids?<br />A trapezoid is a quadrilateral with four sides that has at least one pair of parallel lines for sides.<br />
- 28. Can you find one or more trapezoids?<br />A trapezoid is a quadrilateral with four sides that has at least one pair of parallel lines for sides.<br />
- 29. Can you find one or more Pentagons?<br />A pentagon is five sided polygon.<br />
- 30. Can you find one or more Pentagons?<br />A pentagon is five sided polygon.<br />
- 31. Can you find one or more symmetrical polygons?<br />A symmetrical polygon isa polygon that has a symmetrical line that can be cut so that you can bisect that figure into two congruent parts.<br />
- 32. Can you find one or more symmetrical polygons?<br />A symmetrical polygon isa polygon that has a line of symmetry that bisects that figure into two congruent parts.<br />
- 33. Can you find one or more non-symmetrical polygons?<br />A non-symmetric polygon is a polygon that does not have a symmetric line that can bisect the shape into two congruent parts.<br />
- 34. Can you find one or more non-symmetrical polygons?<br />A non-symmetric polygon is a polygon that does not have a symmetric line that can bisect the shape into two congruent parts.<br />
- 35. Can you find one or more concave polygons?<br />A concave polygon isany polygon that has an angle with a measurement greater than 180 degrees. You can tell it is a concaved polygon because it looks as if one side of the polygon has collapsed in.<br />
- 36. Can you find one or more concave polygons?<br />A concave polygon isany polygon that has an angle with a measurement greater than 180 degrees. You can tell it is a concaved polygon because it looks as if one side of the polygon has collapsed in.<br />
- 37. Can you find one or more polygons composed by two or more smaller polygons?<br />A polygon composed by two or more smaller polygons is a polygon that is made up of two or more smaller polygons. Those smaller polygons are within the bigger polygon and help make the shape of the bigger polygon.<br />
- 38. Can you find one or more polygons composed by two or more smaller polygons?<br />*This is the bigger polygon. See next slide to view the smaller polygons within this one.<br />A polygon composed by two or more smaller polygons is a polygon that is made up of two or more smaller polygons. Those smaller polygons are within the bigger polygon and help make the shape of the bigger polygon.<br />
- 39. Can you find one or more polygons composed by two or more smaller polygons?<br />A polygon composed by two or more smaller polygons is a polygon that is made up of two or more smaller polygons. Those smaller polygons are within the bigger polygon and help make the shape of the bigger polygon.<br />
- 40. Can you find one or more mirror reflections?<br />A mirror reflection is when one figure can be reflected onto another figure.<br />
- 41. Can you find one or more mirror reflections?<br />A mirror reflection is when one figure can be reflected onto another figure.<br />
- 42. Some standards targeted in this activity were:<br />3.G.1 Define and use correct terminology when referring to shapes (circle, triangle, square, rectangle, rhombus, trapezoid, and hexagon) <br />4.G.1: Identify and name polygons, recognizing that their names are related to the number of sides and angles (triangle, quadrilateral, pentagon, hexagon, and octagon)<br />4.G.6 Draw and identify intersecting, perpendicular, and parallel lines<br />4.G.8: Classify angles as acute, obtuse, right, and straight<br />5.G.4: Classify quadrilaterals by properties of their angles and sides<br />5.G.6 Classify triangles by properties of their angles and sides<br />
- 43. Geometry in our World:<br /><ul><li>Geometry is all around us. As we sat here in class we learned about many geometric shapes and how you can see them in our everyday environment just from this power point. When you are walking home today take notice to the fences, houses, buildings, playgrounds, cars, buses and plants all around you because you will see all kinds of angles, shapes, polygons, quadrilaterals and many other shapes. I want you, while you are walking home or taking the bus, to notice one or two different shapes you saw on an object and share it with the class tomorrow. And don’t forget that tomorrow we are going to the local park and look at all of the geometric shapes that we can find. Once we find them we will be drawing what we see!! </li></ul>The End<br />

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