Presentation on theme: "Multiplying and Dividing by 10,100,and 1,000(Contd)"— Presentation transcript:
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 TalkThe 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? (NCES)
3 Problem 60.014 X ____ = 600.14 34.12 X 100 =_____________ 8,231 ÷10,000= ___________
4 Problem SolvingA 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 SolvingSuppose 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 2B. 2 X 30C 2 X 2 X 30D. 1 X2 X 2 X 2 X2 X 2 X 2