Scientific Notation

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Transcript Scientific Notation

Scientific Notation
Week 15
DO NOW (3 mins)
Topic: Scientific
Misconceptions
PKB (Prior Knowledge
Box)
Notation
Write REV K12
pop quiz here…
Yes we have a
pop quiz 
Standard
7NS 1.1- Convert
numbers between
_____and ______form.
Objective
Huskies will be able to
distinguish between
standard and ______ form
and ______to the
appropriate form when
necessary.
Vocabulary
1) Scientific Notation- A
________ way of writing large
numbers without writing all of
the _____.
2) Standard form- the _____
way that we write numbers.
Do you know how far the Earth
is from the Sun?
The Distance From the Sun to
the Earth
93,000,000
BUT THAT’S TOO MANY
ZEROS TO WRITE
So use scientific
notation to short cut
it!
Steps (Standard form to
scientific notation):
1) Move decimal until there is only one number
in front of it (_______)
2) Write number without _____
3) Count the places you moved the decimal,
make the power of ____
4) Zeros behind # = __, Zeros in front # = __
Step 1
• Move decimal
• Leave only one number in front of decimal
• Number must be between 1 and 9
Step 2
• Write number without zeros
Step 3
• Count how many places you moved decimal
• Make that your power of ten
• Zeros behind # = +, Zeros in front # = -
The power of ten is 7 because the decimal
moved 7 places.
Scientific Form vs. Standard
Form
93,000,000 --- ____________(basic way
that we write numbers
9.3 x 107 --- _______________(scientific
way we write numbers)
Example #1
1)_________ =
?
9.85 x 10
Examples #2 - 4
2) ___________ = ______ x 10
3) __________ = ______x 10
4) __________= ___________x 10
Steps (scientific notation to
standard form):
1)Positive exponent- move
decimal to the ____.
2)Negative exponent- move
decimal to the ____.
3)Add in extra _____ and
_______
Example #5
1) ____ x
11
10
Example #6
1) ______ x
-4
10
PKB (Prior Knowledge Box)
Topic: Scientific
Notation
Misconceptions
What did you think you
knew but you found out
was a misconception? If
you didn’t have any
prior knowledge, what
did you learn/ review
today?
Agenda
Homework-Using Scientific Notation
Worksheet
Bring a white board marker
Bring composition book!!!!!
(DUE: Wednesday)