Adding Integers
Multiply & Dividing Integers
Fractions, %, and decimals
Semester 1 Review
Percentages
Random Riddles
100

24-:(-6)=

-4

100

which is largest, 25%, 0.027, or 2/5?

2/5

100

What fraction of the glasses has orange juice? What is that fraction in simplest form?

3/4

100

When solving a percent problem, the ORIGINAL is always WHAT PERCENT?


100%

100

What has to be broken before you can use it?

an egg

200

14 + -12

2



200

-7xx3=

-21

200

What is 6% written as a decimal?

0.06

200

An electrician earned $225, how many hours did he work if he earns $45 an hour?

5 hours

200

A meal's bill is $20 before tax. A 7% sales tax is applied. What is the total cost after tax?

$21.40

200

What begins with T, finishes with T, and has T in it?

a teapot

300

-10 + 15

5



300

-7xx(-8)=

56

300

what is 236% written as a decimal?

2.36

300

What is the circumference of a circle with a radius of 7cm?

43.96 cm

300

David bought shoes on sale for 25% discount. If the shoes were originally $200, what is the new sale price that David paid?

$150

300

What goes up but never comes back down?

your age

400

-2 + -3 + 5

0


400

0/-7 =

0

400

what is 4/5 written as a percent?

80%

400

You have a circle with a radius of 5 cm. What is the circumference?

31.4 cm

400

Last year, a city's minimum wage was $10 per hour. This year, they raised it to $12 per hour. 

What is the percent increase?

20% increase

400

No matter what, what can you always count on?

your fingers

500

6 + (-2 + -5)

-1

500

(-15)/-3=

5

500

Which is smallest, .23, 22%, or 1/5?

1/5

500

You have a Rectangle with lengths 3in x 4in. If you create a new rectangle with a scale factor of 3, what is the area of the new rectangle.

(Hint: Create the NEW rectangle & then find the NEW area)

108 in.2

500

Haley thought 12 friends were coming to her party, but 15 friends showed up. Calculate the percent error.

25%

500

What is full of holes but still holds water?

a sponge