November 4, 2013 LEQ: How can you represent very large and very small numbers in an easier way? Warm-up: Thinking back to the chart from Friday, explain how you changed a number in scientific notation to standard form. How can you go from standard form to scientific notation? Agenda: Discuss chart from Friday Scientific Notation practice with large numbers How would this connect to very small numbers? EXIT TICKET 1
Look at this chart. Investigate how you can switch from scientific notation to standard form Scientific Notation Standard Form 2.5 x 10 3 2,500 4.59 x 10 9 4,590,000,000 6.58 x 10 6 6,580,000 3.442 x 10 4 34,420 3.521 x 10 2 352.1 7.54 x 10 12 7,540,000,000,000 9 x 10 5 900,000 Definition: A number between 1 and 10 multiplied by a power of ten The Mantissa is the number between 1 and 10 in a number that is written in scientific notation 2
http://www.xpmath.com/forums/arcade.php?do=play&gameid=21 You will record your answers on white boards. Make sure you have one. Also, record on paper to refer to at home. 3
Scientific Notation Standard Form 0.125 0.10247 0.00008 0.0000012 4
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Exit Ticket Write in Scientific Notation 1,200,000 21,020,000,000 1,050,000 0.00012 0.00158 0.003 6
November 5, 2013 LEQ: How do you rewrite very large or very small numbers? How can you perform operations involving numbers in scientific notation? Warm-up: Complete this table Scientific Notation Standard Form 1. 3.87 x 105 2..0000043 3. 7.76 x 10 6 4. 97,800,000 5. 4.56 x 104 7
1,079,252,849 km/h ***Only round if instructed to 8
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Scientific Notation involves an understanding of powers of ten. Watch this video to get a better perspective of powers of ten http://www.bing.com/videos/search?q=powers+of+ten +video&form=vire15#view=detail&mid=f7ff97634640b9cffe6df7ff97634640b9cffe 6D http://app.discoveryeducation.com/search?ntt=scientific+notation&n=18342 http://app.discoveryeducation.com/search?ntt=scientific+notation&n=18342 10
November 6, 2013 LEQ: How do you rewrite very large or very small numbers? How can you perform operations involving numbers in scientific notation? Warm - up: Write a description that explains how you change from scientific notation to standard form and from standard from to scientific notation. Agenda: Multiplying and Dividing Adding and Subtracting Write a generalization for each operation EXIT TICKET: see slide 11
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Turn and talk to your partner. How do you think you would solve the following problems involving powers of ten 10 6 x 10 8 10 15 10 5 How did you determine the process for solving these? 13
Row 1 and 3 turn to the person behind you. Discuss how you think these problems are solved. Try to find a procedure that works for each 14
November 7, 2013 LEQ: How do you rewrite very large or very small numbers? How can you perform operations involving numbers in scientific notation? Warm -up: Write a generalization for multiplying and dividing with Scientific Notation Agenda: Dividing/Multiplying practice Adding and Subtracting investigation Practice BINGO 15
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Exit Ticket 25