Scientific Notation and Operations Lesson

Week of 9/13 - 9/17 

​Friday

​Warm - UP

​Write "turn in day" in today's block and then turn it in along with your homework.

​Get out your chrome book and wait for instructions.

​LEVEL 0

​Essential Question: What are the rules when multiplying and dividing scientific notation?

Today I will: evaluate expressions with scientific notation using all operations..

I Know I’ve Got it When:  I can add, subtract, multiply, and divide with scientific notation.

Homework:  ENJOY THE WEEKEND!!!!!!!!!!!!!!!!!!!

​Announcements

• Practice sheet #2 9/13 - 9/17 due today

• Warm - ups for 9/6 - 9/17 due today

• Midterm is 9/23

• ​Next week Thursday is a 2 hour early dismissal

• ​Friday is a 3.5 hour early dismissal

Multiple Choice

When dividing in scientific notation, what do you do with the coefficients?

• Add

• Divide

• Nothing

• Subtract

Multiple Choice

When dividing in scientific notation, what do you do with the exponents?

• Divide

• Subtract

• Add

• Leave them be

Multiple Choice

What property allows us to rewrite our expression like this?

$$3.4\times1.2\times10^5\times10^{-3}$$  

• Associative Property

• Commutative Property

• Identity Property

• Other people's "property"

Open Ended

How do you find the area of a rectangle?

Multiple Choice

When multiplying numbers in scientific notation, what do you do with the exponents?

• Add them

• Make them equal

• Keep them the same

Multiple Choice

When multiplying in scientific notation, what do you do with the coefficients?

• Keep them

• Multiply them

• Add them

Multiple Choice

Solve

(2.1×10​²​​) × (3.0×10​⁴)

• 5.1 x 10²

• 5.1 x 10⁶

• 6.3 x 10⁶

• 6.3 x 10⁸

Multiple Choice

SOLVE

(9.4 x 10⁶)(3.2 x 10⁵)

• 30.08 x 10¹¹

• 3.008 x 10¹⁰

• 3.008 x 10¹²

• 2.9375 x 10¹

Multiple Choice

Solve

(6.2 x 10²) + (9.7 x 10⁰)

• .6297 x 10²

• 6.297 x 10³

• 6.297 x 10⁰

• 6.297 x 10²

Multiple Choice

Give the sum of (8.7 x 10⁵) + (7.32 x 10⁷) in scientific notation

• 16.02 x 10⁷

• 7.407 x 10⁷

• 7.407 x 10⁵

• 1.602 x 10⁷

Multiple Choice

True or False: A negative exponent in scientific notation means the standard notation of the number is negative

• True

• False

Multiple Choice

True or false: When moving the decimal, if you move left, the exponent gets bigger, and if you move right, it gets smaller.

• True

• False

Multiple Choice

When adding and subtracting in scientific notation, what do you do with the constants?

• Add/subtract them

• Keep them

• Make them the same

• Multiply/divide them

Multiple Choice

When adding and subtracting in scientific notation, what do you do with the exponents?

• Make them the same

• Subtract them

• Add them

• Ignore them

Multiple Choice

Subtract with scientific notation

(7.32 x 10⁶) - (4.01 x 10⁸)

• 3.937 x 10⁸

• 3.937 x ⁻²

• 3.937 x 10⁷

• -3.937 x 10⁸

Multiple Choice

Subtract the within the scientific notation.

(2 x 10³) - (1.9 x 10²)

• 1.81 x 10⁵

• 1.81 x 10⁶

• 1.81 x 10³

• 1.81 x 10⁴

​TURN IN YOUR HOMEWORK PAPER AND YOUR WARM - UP PAPER!!!...It's fun friday ya'll