SIMPLE INTEREST
TAX, TIP & DISCOUNT
COMMISSION
PERCENT CHANGE
MIXED
100

A deposit of $600 for 3 years with a rate of 5%. Calculate the simple interest earned.

What is $90?

100
You go to dinner with your friends. The bill comes to $75. You leave a 15% tip. How much tip do you leave?
What is$11.25?
100
You sell a house worth $350,000. If your commission is 6%, how much commission do you make?
What is $21,000?
100

If a club starts with 10 members and now has 13 members, what is their percent increase?

What is 30%?

100
You buy a t-shirt that costs $15 that is now marked down for 30% off. Calculate the markdown and the new price.
What is $4.50 and $10.50?
200

You put $5000 in an account that has an interest rate of 1.5% for 8 months. Calculate the interest earned.

What is $50?

200

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

What is $68.40?

200
At PC Richard, a salesman makes a sale worth $2,180. If his commission is 8%, how much commission does he make?
What is $174.40?
200

You estimate that you can pick 50 apples at an apple farm. You were only able to pick 35. Calculate your percent error. Round to the tenth. 

42.9% error

200
What is 10% of 56?
What is 5.6?
300

Bill puts $2000 in an account earning simple interest at a rate of 2.3%. Calculate the balance in the account after 5 years.

$2230

300

Calculate the tip and total bill for the following: A group of people go out to dinner. Their bill comes to $250. They leave a 15% tip.

What is $37.50(tip) and $287.50 (total bill)?

300

Veronika works at Future Shop and earns $10.50/h plus 6% commission on sales. Last week Veronika worked 40 hours. What was Veronika’s weekly gross salary if her total sales were $2050?

What is $543.00?

300
You fill a jar with 15 ounces of water. You go back several days later to measure how much water is left in the jar. Because of evaporation, there is 13 ounces of water left. Calculate the percent decrease. Round to the nearest whole number.
What is 13%?
300
12 is what percent of 240?
What is 5%?
400

Mark found a bank offering a 4% interest rate. If he deposits $600 into the account, how long will it take him to earn $72 in simple interest?

3 years

400

Alexa bought new winter boots this weekend. The boots cost $80. For getting a membership with the store, she receives 10% off. There was also a 8.5% sales tax. How much did she pay for the boots?

Apply discount first. 100% - 10% = 90%

0.9 x 80 = 72

Then apply tax.

100% + 8.5%  = 108.5%

1.085 x 72 = $78.12

400
At the jewelry store, a salesperson makes a sale worth $5,200. If their commission is 6%, calculate the commission and how much money the store makes on this sale.
What is $312 and $4,888?
400
A shirt that is originally priced $35 is now on sale for $16. Calculate the percent markdown. Round to the nearest whole number.
What is 54%?
400
Brian got 15 questions correct on his last test. If this is 75% of the questions on the test, how many questions are on the whole test?
What is 20?
500

If the interest earned on $1000 is $410 after 10 years, what is the rate of interest?

What is 4.1%?

500

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

What is 40%?

500

A car salesman earned a commission of $4275 for selling a car.  If his commission rate is 9.5%, find the selling price of the car.  

$45,000

500
A store buys dvds for $10. They sell them for $25. Find the percent markup.
What is 150%?
500
18% of what is 9?
What is 50?
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