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Monday, February 3, 2014

Monday, February 3, 2014. POTD. The product on an array is 50. What are all the possible dimensions? Make a factor rainbow. Quadrilaterals. Quadrilateral Rap Review Video 1 http://www.youtube.com/watch?v=rh93AfCyOik. Shapes with 4 sides!. What shape is this?. A Square.

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Monday, February 3, 2014

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  1. Monday, February 3, 2014

  2. POTD • The product on an array is 50. What are all the possible dimensions? • Make a factor rainbow.

  3. Quadrilaterals Quadrilateral Rap Review Video 1 http://www.youtube.com/watch?v=rh93AfCyOik Shapes with 4 sides!

  4. What shape is this?

  5. A Square

  6. How many lines of symmetry has a Square got? 2 1 3 4

  7. Properties of a Square • Has 4 equal sides • Has 4 equal angles • Each angle is a right angle • Has 4 lines of symmetry • Is a regular shape

  8. What shape is this?

  9. A Rectangle

  10. How many lines of symmetry has a Rectangle got? 1 2

  11. Properties of a Rectangle • Has 2 pairs of equal sides • Has 4 equal angles • Each angle is a right angle • Has 2 lines of symmetry • Is an irregular shape

  12. What shape is this?

  13. A Parallelogram

  14. How many lines of symmetry has a Parallelogram got? None!

  15. Properties of a Parallelogram • Has 2 pairs of equal sides • Has 2 pairs of equal angles • Opposite sides are parallel • Has NO lines of symmetry • Is an irregular shape

  16. What shape is this?

  17. A Rhombus

  18. How many lines of symmetry has a Rhombus got? 1 2

  19. Properties of a Rhombus • Has 4 equal sides • Has 2 pairs of equal angles • Opposite sides are parallel • Has 2 lines of symmetry • Is an irregular shape

  20. What shape is this?

  21. How many lines of symmetry does this Trapezoid have? None!

  22. What shape is this?

  23. An Isosceles Trapezoid

  24. 1 Because these angles are equal. How many lines of symmetry does this Trapezoid have?

  25. Properties of a Trapezoid • May Have unequal sides • If two sides are congruent then its called an Isosceles trapezoid. • One pair of opposite sides are parallel • Usually has NO lines of symmetry (unless its an Isosceles trapezoid) • Is an irregular shape

  26. What shape is this?

  27. A Kite

  28. How many lines of symmetry has a Kite got? 1

  29. Properties of a Kite • Has 2 pairs of equal sides • Has 1 pair of equal angles • Equal sides are adjacent (sharing a common vertex) • Has 1 line of symmetry • Is an irregular shape

  30. What shape is this?

  31. A Dart

  32. How many lines of symmetry has a Kite got? 1

  33. Properties A Dart • Has 2 pairs of equal sides • Has an angle that is concave (exceeds 180°) • Has 1 pair of equal angles • Equal sides are adjacent • Has 1 line of symmetry • Is an irregular shape

  34. Quadrilaterals Shapes with 4 sides!

  35. Quadrilateral Sort

  36. Quadrilateral Sort Cont’d

  37. Quadrilateral Sort Cont’d

  38. Quadrilateral Sort Cont’d

  39. Math Club Jeopardy (saved in groups)

  40. Tuesday, February 4, 2014 The potato chip was invented in 1853 by George Crum. Crum was a Native American/African American chef at the Moon Lake Lodge resort in Saratoga Springs, New York, USA. French fries were popular at the restaurant and one day a diner complained that the fries were too thick. Although Crum made a thinner batch, the customer was still unsatisfied. Crum finally made fries that were too thin to eat with a fork, hoping to annoy the extremely fussy customer. The customer, surprisingly enough, was happy - and potato chips were invented!

  41. POTD • Reginald had 32 goodie bags at the party. Each bag has 14 pieces of candy. How many pieces of candy are there in all?

  42. Homework Review

  43. Quadrilaterals What are some things that you remember about Quadrilaterals? Rap Review Video 2 http://www.youtube.com/watch?v=gcQrmGmV1m0

  44. Classifying Quadrilaterals Guided/Independent

  45. Math Club Complete the Geometry Review Quiz Show me what you know 

  46. Wednesday, February 5, 2014 Lonnie G. Johnson (1949- ), was born in Mobile, Alabama. He always loved creating and experimenting. At the age of 18, he built a remote-controlled robot, "Linex," and won a national award for his invention. The robot was made from junkyard scraps. He attended Tuskegee Institute, where he earned a B.S. degree in Mechanical Engineering in 1972 and a M.S. degree in Nuclear Engineering in 1974. After college he joined the Air Force and later went to work for NASA, where he earned many awards, including award-winning work for the Galileo Jupiter probe and the Mars Observer project. One of his great achievements was the Johnson Tube. Of all his inventions, he is most noted for the Super Soaker water toy. In 1982, Lonnie did not mean to invent the powerful water toy, but was tinkering around when a homemade nozzle at his bathroom sink shot a spray of water, and viola! The Super Soaker was born!

  47. Homework Review

  48. POTD • What is the value of 23 hundreds, 12 tens and 19 ones?

  49. Symmetry http://www.youtube.com/watch?v=6qNB2LsgC8Y

  50. What is a line of symmetry? • A line on which a figure can be folded so that both sides match. • Maryland Content Standard 2.E.2 – Identify and describe symmetry in geometric figures or pictures. (Up to four lines of symmetry)

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