Pre-algebra Review

Order of Operations

100

Solve: 3 + 15 - 5 x 2

What is 8

200

Solve: 6(2 + 7)

What is 54

300

Solve: 25 - (6x4)

What is 1

400

Solve: 68 - 12*3

What is 20

500

Solve: 3 [9 - (6 -3)] - 10

What is 8

Scientific notation

100

Rewrite 92,000,000 in scientific notation

9.2 x 10⁷

200

rewrite 4.57 x 10^-6 in standard form

0.00000457

300

rewrite 5.401×10^-1 in standard form

.5401

400

express 13,400,000 in scientific notation

1.34 x 10⁷

500

<, >, or =

3.05 x 10⁶ ____ 8.25 x 10⁴

what is >

integers

100

- 8 + (- 3)

What is -11

200

-8(-11)

What is 88

300

6 + (-6)

What is 0

400

9 + (-11)

What is -2

500

-4(-6)

What is -10

exponents and square roots

100

rewrite 3⁶ in expanded form

3x3x3x3x3x3

200

the two possible square roots of 36 are....

6, -6

300

rewrite 4.2 x 4.2 x 4.2 x 4.2 in exponent form

4.2⁴

400

rewrite as an exponential expression 

a*a*a*a*a*a*a*a

a⁸

500

rewrite as an exponential expression

xy*xy*xy*xy*xy

xy⁵

ordering

100

order the numbers from least to greatest

{4, 0, -9, 2, -5, -1, 13}

{-9, -5, -1, 0, 2, 4, 13}

200

order from least to greatest

{24, -19, -11, 7, -25, -15, 3}

{-25, -29, -25, -11, 3, 7, 24}

300

order from least to greatest 

{2, 2⁵, 14, -(2)²} 

{-(2)², 2, 14, 2⁵}

400

order from least to greatest

{125%, 1.3, 10, 19, 2³}

{125%, 1.3, 2^3, 10, 19}

500

order from least to greatest!

{-75, 7², 3.2 x 10², -12}

{-75, -12, 7², 3.2 x 10²}