Unit 1 Review

Number Sense

100

1/2 x 1/2

1/4

200

(-4)(-3)

12

300

-6 + 4

-2

400

1/3 + 2/5

11/15

500

1/4(-8)

-2

Exponents

100

2³

8

200

2^-2

1/4

300

4⁶ x 4⁸

4¹⁴

400

5¹²/5³

5⁹

500

4^-2 x 4²

4⁰ = 1

Scientific Notation

100

Write in Standard Form:

4.5 x 10⁴

45000

200

Write in Scientific Notation:

.0003432

3.432 x 10^-4

300

Solve:

(4 x 10³)(2 x 10⁴) 

8 x 10⁷  or 80000000

400

Solve:

9 x 10⁵/3 x 10²

3 x 10³

500

Solve:

5.4 x 10⁵ - 2.1 x 10⁴

519000

Rational/Irrational

100

Is the following rational or irrational?

.23245...

Irrational

200

Between which two consecutive whole numbers is the square root of 27.

5 and 6

300

Is pi rational or irrational?

irrational

400

Order from least to greatest:

pi, 2.5, - 1/2, 5⁰

-1/2, 5⁰, 2.5, pi

500

Order from greatest to least:

square root of 30, 1, 3/4, 0⁰

square root of 30, 1, 3/4, 0⁰

Solving Equations

100

2x - 4 = 16

x = 10

200

3( x + 4) = 24

x = 4

300

4x - 7 + 2x = 11

x = 3

400

4x + 16 = 8x

x = 4

500

3x - 15 = -x + 25

x = 10