Scientific Notation Week 15

DO NOW (3 mins) PKB (Prior Knowledge Box) Topic: Scientific Notation Misconceptions 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

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

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 # = __ Steps (Standard form to scientific notation):

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

Write number without zeros Step 2

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

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

1)_________ = 9.85 x 10 ? Example #1

 2) ___________ = ______ x 10  3) __________ = ______x 10  4) __________ = ___________x 10 Examples #2 - 4

1)Positive exponent- move decimal to the ____. 2)Negative exponent- move decimal to the ____. 3)Add in extra _____ and _______ Steps (scientific notation to standard form):

 1) ____ x Example #5

 1) ______ x Example #6

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?

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