Tax, Tip, Markup
Discount
Simple Interest
The Percent Equation
Percent of Change / Error
100
This is the amount of tax Joe will pay for a $15 shirt with 6% tax.
What is $0.90?
100

The amount of discount on a $30 item with a 25% discount.

What is $7.50

100

You deposit $500 into an account that earns 6% simple annual interest. What will the account’s balance be after 2 years?

What is $560

100
What number is 20% of 110?
What is 22
100
5 cups to 8 cups
What is 60%
200

Total cost for a $110 dinner with 25% tip!

What is $137.50?

200

The amount of discount when Mike bought a $990 computer with a 30% discount.

What is $297

200

You deposit $1000 into a 3-month certificate of deposit. After 3 months the balance is $1005. Find the simple annual interest rate.

What is 2%

200
The number 117 is 45% of what number?
260
200

I guessed I had 5 cups of water, but it was actually 8 cups.

What is 37.5% error?

300

This is the total cost of a baseball bat priced at $110 with 6.5% tax.

What is $117.15

300

This is the sale price for an item regularly $65 with a 15% discount.

What is $55.25

300

You put $750 into a certificate of deposit. Your simple annual interest rate is 4%. You receive a check for the interest at the end of each year. How much will you have after 5 years?

What is $150?

300
What percent of 150 is 90?
What is 60%
300
Yesterday your bus ride to school took 8 minutes. Today because of the snow, the bus ride took 10 minutes. What is the percent of change?
What is 25%
400

The wholesale price of the skateboard was $70. The markup of the skateboard is 125%. What is the new price?

$157.50

400

This is the final price for an item costing $85.50 with a 20% discount.

What is $68.40

400

What is the total amount you owe on a $15,000 car loan with 4.6% interest over 5 years?

What is $18,450?

400
A clothing salesperson sells a suit for $350. The salesperson receives an 8% commission on the sale. How much is the commission?
What is $28
400
Adding cheese to a McDonald's Quarter Pounder increases the calorie count from 420 to 510. What is the percent of change?
What is 21.4%
500

A store pays $120 for a bicycle. The store sells the bicycle for $198. What percent did the store markup the bicycle?

What is 65%

500

The percent of discount on an item that was $68 and is now $40.80.

What is 40%

500

Explain how the total changes from one year to six years in a simple interest problem?

What is you multiply the new years in the interest only and then add the principle?

500
Suppose you earn $6 per hour at your part-time job. What will your new hourly rate be after a 2.5% raise?
What is $6.15.
500
On the gameshow you have to guess the correct price. The actual amount was $7.50 but you guessed $8.55.  What was your percent error?

What is 14%

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