Unit 3 Review:7.NS.1,7.NS.2,7.NS.3,7.PFA.2a

Order of Operations

100

Simplify

(16 ÷ 2) + (5)(-3) - 4

-11

200

Simplify 

[-48 ÷ 6 + 81 ÷ (-9)]²

34

300

Simplify  

- (5*6) - 3 - (12-6)

-39

400

Simplify 

-Abs(-3(-2)+8)= ?

-14

500

Simplify 

[-|2(-3*4) - 8|]/ [2(7-9)]

8

Scientific Notation

100

Is 50 x 10⁷ in correct scientific notation?

No

200

Convert the following number in Scientific Notation: 

4,302,000,000

What is 4.302 X 10⁹

300

Convert 0.00075 to scientific notation.

7.5 x 10^-4

400

What would the exponent be if you converted 12,500,000 to scientific notation?

7

500

What would 9.86 x 10^-5 be in standard notation?

0.0000986

Compare and Order

100

Which symbol <,>,=  will make the sentence true

4,500 ____  4.5 X 10^-3

>

200

Order the following numbers least to greatest:

5/2, -3.50, 3.2 x 10¹, 150%

-3.50, 150%, 5/2, 3.2 x 10¹

300

Which symbol <,>,=  will make the sentence true

3.6070 X 10^-3 ____  3.6700 X 10^-3

<

400

Order the numbers in descending order:

-2.33 , 1/9, 0.75, 25%

0.75, 25%, 1/9, -2.33

500

Order the numbers in ascending order

7.65 X 10³,  7.655 X 10^-3,  7.565 X 10^-2

7.655 X 10^-3

7.565 X 10^-2

7.65 X 10³

Square Roots

100

What is the square root of 324?

18

200

What is 16²?

256

300

Wich of the following is NOT a perfect square

sqrt 2 , sqrt(400) , sqrt(169) , sqrt (289)

sqrt (2

400

Give two perfect squares that are greater than 7 but less than 20.

9 and 16

500

What is the square root of 225?

15

Mix & Match

100

What are the order of operations?

Grouping Symbols, Exponents, Multiplication, Division, Addition, Subtraction

200

Write 10^-4 in fraction form

1/(10000)

300

Write 10^-3 in expanded form

1/10*1/10*1/10

400

A way of writing very large or very small numbers.

Scientific Notation

500

Ascending order means ____________ to ___________.

Least to Greatest