Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
Add/Subtract
with
Scientific Notation
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
Quick Review
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
Steps for Multiplying
Scientific Notation
Step 1 – Multiply the NON-10’s first.
Step 2 - Multiply the 10’s by adding the exponents.
BIG IF – If the NON-10’s answer isn’t between 1
and 10, then change it to scientific notation
and RE-ADD the exponents again.
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
Steps for Dividing
Scientific Notation
Step 1 – Divide the NON-10’s first. Top/Bottom
Step 2 - Subtract the 10’s exponents. Top - Bottom
BIG IF – If the NON-10’s answer isn’t between 1
and 10, then change it to scientific notation
and ADD the exponents again.
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
REVIEW Problems
A) (1 x 104) (9 x 103)
B) (4 x 104) (11 x 102)
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
REVIEW Problems
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
Steps for Adding/Subtracting
Scientific Notation
Step 1 – Convert from Scientific Notation to standard
form.
Step 2 – Do the problem like normal.
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
Examples
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
Commercial Break


Quote of the Day:
“The reason I
don’t have any
clean laundry is
because
someone told me
I should live each
day as if it was
my last. I mean,
come on… Who
wants to wash
clothes on the
last day of their
life?”
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
Steps for Adding/Subtracting
Scientific Notation
Step 1 – Convert from Scientific Notation to standard
form.
Step 2 – Do the problem like normal.
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
iPAD EXIT TICKET
(6 x 102) + 1,000 =
93,000 - (2.5 x 104) =
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
THINK / PAIR / SHARE

Step 1 – Spend 20 seconds thinking silently about the
Essential Question.

Step 2 – Spend 30 seconds pairing up with your learning
partner.

Step 3 – Volunteer to share your answer with the class…
Volunteers will receive a Goodybuck.
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
GIST:
Then write 3-4 sentences to answer the GIST Summary E.Q.
Essential Question: When I multiplied 300 million times 700 million, the
Google calculator said the answer was 2.1e17. What does that mean?
Assignment –Shoot For The Stars
30 seconds

I got this! I know how to do this AND I could
even teach it to somebody else.

I think I know this, but I need more practice.

I am clueless! I have no idea what to do.