Absolute Value, Adding Integers, Negative Exponents, Percentages

Absolute Value

100

Simplify 

abs(6)

6

200

Simplify 

abs(-10)

10

300

Simplify

abs(7-2)

5

400

Simplify 

abs(2-3)

1

500

Simplify 

abs(-2)xxabs(6

12

Integer Addition

100

Simplify: -9 + 5

-4

200

Simplify: -16+(-28)

-44

300

Simplify: 24 + (-18)

6

400

Simplify: -62 + 50

-12

500

Simplify: 72 + (-99)

-27

Negative Exponents

100

Simplify; write the value in fraction form:

4^0

1

200

Simplify; write the value in fraction form:

2^-2

1/4

300

Simplify; write the value in fraction form:

2^-3

1/8

400

Simplify; write the value in fraction form:

3^-4

1/81

500

Simplify; write the value in fraction form:

6^-3

1/216

Scientific Notation

100

Write in standard form:

1.52 xx 10^3

1,520

200

Write in scientific notation:

5,402,000

5.402 xx 10^6

300

Write in standard form:

5.06 xx 10^-5

0.0000506

400

Write in scientific notation:

0.005023

5.023 xx 10^-3

500

Write in scientific notation:

0.00001234

1.234 xx 10^-5

Percentages

100

Billy's Mom baked a batch of chocolate chip cookies. If she made 50 cookies and Billy ate 20% of them, how many cookies did Billy eat?

10 cookies

200

If you purchase a pack of marbles for $7.99, how much will you pay in tax? (PA sales tax is 6%. If necessary, round your answer to the nearest cent.)

$0.48

300

At a restaurant, the bill is $56.78. If you want to give the waiter a 20% tip, how much money should you leave on the table? (If necessary, round your answer to the nearest cent.)

$11.36

400

You purchase a video game for $29.99 plus tax. How much is your purchase total? (PA sales tax is 6%. If necessary, round your answer to the nearest cent.)

$31.79

500

You work part-time as a waiter and rely on customer tips to supplement your income. If a customer leaves a $20 tip for a bill that totaled $87.50, what percentage tip did they give you? (If necessary, round your answer to the nearest tenth.)

22.9%