1st Nine Weeks Review

The Real Number System

100

What is a rational number?

Any number that can be written as a fraction. 

200

What subset does the square root of 6 belong ?

irrational 

300

Which subset(s) are the following numbers a part of: -7, 14% , 780, 5^2

Real, Rational

400

To which subset does pi belong?

Irrational 

500

is 6.1 x 10^-2 or 54% larger?

54%

Scientific Notation

100

Convert 0.0045 to scientific notation.

4.5 x 10^-3

200

Write 3,000,000 in scientific notation. 

3.0 x 10^6

300

Which of the following is in scientific notation?

A) 11.8 x 10^-4

B) 1.65 x 10^-2

C) 40.1 x 10^2

D) 10.1 x 10^3

B

400

Is 1.87 x 10^-2 or 6.78 x 10^-4 larger?

1.87 x 10^-2

500

Write 0.000002016 in scientific notation. 

2.016 x 10^-6

Perfect Squares + Roots

100

what is the square root of 169

13

200

Identify all of the perfect squares in ascending order:

-16 , 289 , 196 , 1 , 350 , 2 , 200 , 20

1 , 96 , 289

300

what is 18 squared

324

400

is 200 a perfect square?

no

500

Between which two consecutive whole numbers does the square root of 58 lie?

7 and 8

Rational Numbers

100

what is 1/4 as a percent?

25%

200

is -1/2 or -2/3 larger?

-2/3

300

what is 2/5 as a decimal?

0.4

400

Write 1.9 x 10^-2 as a fraction.

19/1000

500

is 214%  or 2.3 larger?

2.3

Expressions/Equations

100

8x - 4(x+1) = 24

x = 7

200

6p + 4 = 3p + 19 

p = 5

300

Simplify -4 + 5y + 2(y+9)

7y + 14

400

-(7h + 1) - 8h + 5

-15h - 2

500

-8 + 4x - 12 + 5(5x + 2)

29x - 10