Topic 3 Percent Information

Percent Basics

100

Percent is defined as the ratio of some number to ______ ?

What is 100 ?

200

What is 35% written as a decimal ?

What is 0.35 ?

300

What is 0.07 written as a percent?

What is 7% ?

400

What is 90% written as a reduced fraction ?

What is 9/10 ?

500

True or False:  50 > 500%

If True, by how much ?

What is True ?

50 is 45 more than 500%

Miscellaneous info from this year

100

Name the only EVEN prime number ?

What is 2 ?

200

In the equation,  y = 12x , what is the constant of proportionality ?

What is 12 ?

300

Name all of the prime numbers that are between 18 and 30. 

What is :  19, 23 and 29 ?

400

You purchase 8 apples for $3.60.  What is the unit price per apple ?

What is $0.45 per 1 apple ?

500

The sum of two "opposites" will always equal _____ ?

What is 0 ?

Tax, discount or markup

100

New basketball:  $48.00

It is 30% off.  What is the amount of discount ?

What is $14.40 ?

200

New laptop computer:  $565

Marked up 25%.  What is the amount of markup ?

What is $141.25 ?

300

New skateboard:  $133

Percent of discount:  10%  What is the final price?

What is $119.70 ?

400

New book bag:  $37.50

Percent of markup:  50%  Final sale price ?

What is $56.25 ?

500

New phone:  $896

Sales tax rate:  5.5%  Final cost:  ?

What is $945.28 ?

Percent increase or decrease

100

Old price:  $40

New price: $30

What is the percent of decrease ?

What is a 25% decrease?

200

Old price:  $92

New price:  $119.60

What is the percent of increase?

What is a 30% increase ?

300

Old price:  $5.50

New price:  $11.00

What is the percent of increase?

What is a 100% increase ?

400

The estimated attendance at a football game was 3,000. The actual attendance was 3,296. What was the percent error of the estimate?

What was approximately 9% ?

500

Old price:  $75

New price:  $85

What is the percent of increase ?

What is a 13% increase ? 

Simple Interest

100

I = ?

P = $8,800   R = 4%    T = 3 years

What is $1,056 ?

200

I = ?

P = $45,000   R = 5%    T = 4 years

What is $9,000 ?

300

I = ?

P = $2,700   R = 10%  T = 2 years

What is $540 ?

400

I = ?

P = $11,000   R = 5%  T = 6 months

What is $275 ?

500

Find the total that you would owe if:

P = $16,800  R = 3.5%   T =  9 months

What is $17,241 ?

Mean, median, range or mode

100

The mode of this data:

2, 8, 9, 8, 9, 8, 4

What is 8 ?

200

What is the median of this data:

15, 22, 25, 19, 17

What is 19 ?

300

What is the range for this data?

-25, -14, 1, 12, 20

What is 45 ?

400

What is the mean of this data ?

-4.5, -1.5, 7, 9, 15

What is 5 ?

500

What is the median for this data ?

-4, -2, 0, 2, 4, 6

What is 1 ?