Scientific Notation

1. Scientific Notation Week 15

2. DO NOW (3 mins)PKB (Prior Knowledge Box)

3. Standard 7NS 1.1- Convert numbers between _____and ______form.

4. Objective Huskies will be able to distinguish between standard and ______ form and ______to the appropriate form when necessary.

5. Vocabulary 1) Scientific Notation- A ________ way of writing large numbers without writing all of the _____. 2) Standard form- the _____ way that we write numbers.

6. Do you know how far the Earth is from the Sun?

7. The Distance From the Sun to the Earth 93,000,000

8. BUT THAT’S TOO MANY ZEROS TO WRITE So use scientific notation to short cut it!

9. Steps (Standard form to scientific notation): Move decimal until there is only one number in front of it (_______) Write number without _____ Count the places you moved the decimal, make the power of ____ Zeros behind # = __, Zeros in front # = __

10. Step 1 • Move decimal • Leave only one number in front of decimal • Number must be between 1 and 9

11. Step 2 • Write number without zeros

12. Step 3 The power of ten is 7 because the decimal moved 7 places. • Count how many places you moved decimal • Make that your power of ten • Zeros behind # = +, Zeros in front # = -

13. Scientific Form vs. Standard Form 93,000,000 --- ____________(basic way that we write numbers 9.3 x 107 --- _______________(scientific way we write numbers)

14. Example #1 • _________ = 9.85 x 10?

15. Examples #2 - 4 • 2) ___________ = ______ x 10 • 3) __________ = ______x 10 • 4) __________= ___________x 10

16. Steps (scientific notation to standard form): Positive exponent- move decimal to the ____. Negative exponent- move decimal to the ____. Add in extra _____ and _______

17. Example #5 • 1) ____ x 1011

18. Example #6 • 1) ______ x 10-4

19. PKB (Prior Knowledge Box)

20. Agenda Homework-Using Scientific Notation Worksheet Bring a white board marker Bring composition book!!!!! (DUE: Wednesday)