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Multiplying and Dividing by 10,100,and 1,000( Contd )

Multiplying and Dividing by 10,100,and 1,000( Contd ). September 17,2013 Common Core Standard: Understand place value pattern can help you multiply and divide by powers of 10. Number Talk.

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Multiplying and Dividing by 10,100,and 1,000( Contd )

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  1. Multiplying and Dividing by 10,100,and 1,000(Contd) September 17,2013 Common Core Standard: Understand place value pattern can help you multiply and divide by powers of 10.

  2. Number Talk • The drive from Oakland to Pinewood was a tricky one. I covered the uphill distance of 65 miles at 35 miles per hour. The return journey from Pinewood to Oakland was downhill, and I managed to drive at 63 miles per hour. What was my average speed for the entire journey?
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  3. Problem • 60.014 X ____ = 600.14 • 34.12 X 100 =_____________ • 8,231 ÷10,000= ___________

  4. Problem Solving • A coral poly is a tubular saclike animal with a central mouth surrounded by a ring of tentacles. The size of polyp varies. If each polyp is 0.12 inch in diameter, how many polyps would fit in a row 12 inches long? • If each polyp is 0.12 inch in diameter, how many polyps would fit in an area of coral reef that is 1 foot long by 1 foot wide?

  5. Problem Solving • Suppose that one bacterial cell divides every 30 minutes to make 2 cells. Which expression will find how many cells there will be after 3 hours? • A. 1 X 2 X 2 X 2 X 2 X 2 • B. 2 X 30 • C 2 X 2 X 30 • D. 1 X2 X 2 X 2 X2 X 2 X 2

  6. Exit slips

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