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Do Now

Do Now. Do you remember the units we use for length? Fill in the proper units in the following statements. Length of a new pencil is about 6 ________ Height of a floor is usually 3 ___________ A fork is usually 20 _________ The width of a door is around 8.2 _______

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Do Now

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  1. Do Now Do you remember the units we use for length? Fill in the proper units in the following statements. • Length of a new pencil is about 6 ________ • Height of a floor is usually 3 ___________ • A fork is usually 20 _________ • The width of a door is around 8.2 _______ • Height of the Pearl Tower is 46.8 _______

  2. Perimeter HAPPY MARCH! March 3rd, 2014

  3. Our Behaviors • Be a STAR; be awesome • Voice Level • Group discussion

  4. Agenda • Do Now • Our Behavior • Units for length • Perimeter • Exit slip Objectives You will be able to • Define perimeter • Calculate the perimeter of rectangles and squares • Understand the use of perimeter in life HW: Worksheet

  5. Units for Length Customary Unit • in • ft • yd • mi • Metric Unit • mm • cm • dm • m • dam • km

  6. Perimeter • What is a polygon? • A closed 2D figure made up of line segments • What is a perimeter? • The distance around the outside of a polygon • Examples

  7. Find out the perimeters

  8. Perimeter of rectangles and squares How do you calculate the perimeter of rectangles? P = 2 (l + w) How about the perimeter of squares? P = 4 s

  9. Find the perimeters 2ft 5 m 13 in 2.5 m 11 ft

  10. Why do we need to learn about perimeter? For design purpose • Build a swimming pool • Build a fence for the farm • Floor plan • Honeycomb

  11. Let’s practice more

  12. What did we learn today? Exit slip Homework: • Worksheet • Find one polygon at home, then figure out its perimeter

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