1% and 10% of Numbers
Percent of a Number and More
Percent Change
Sales, Tax, Discounts and More
Simple Interest
100

What is 1% of 17?

0.17

100

What is the percent formula?

is/of = %/100

100

What is the percent change:

From 80 to 50

37.5 decrease or -37.5

100

A jacket originally costs $60. It is on sale for 25% off. What is the sale price of the jacket?


The sale price is $45.

100

What formula can be used to find simple interest?

I = PRT

200

Find 1% of 9

0.09

200

12 is what percent of 48?

25%

200

Find the percent change:

10,000 to 14,000

40% increase or +40%

200

The sunglass hut is having a 20% off sale. A pair of sunglasses is regularly $28.80. What is the sales price of the sunglasses? 

$23.04

200

Emma deposits $500 in a savings account that earns 4% simple interest annually. How much interest will she earn in 2 years?

Emma will earn $40 in interest. 

300

Find 10% of 26.

2.6

300

What is 15% of 40?

6

300

The origional price of a book was $20. The price increased to $22. What is the percent change in the price of the book?

10% increase

300

A store buys a chair for $40 and marks up the price by 63% to sell it. What is the selling price of the chair?


$65.20
300

Lucas invests $600 in a bank account that earns 5% simple interest annually. How much money will he have in total when he goes to withdraw the money after 4 years?

He will have $720

400

Find 10% of 4.

0.4

400

4 is 25% of what number?

16

400

A set of dishes was originally $75. The dishes went on sale, and are now $60. What is the percent change in the price of the dishes? 

20% decrease

400

Liam and his friends go out to eat at a restaurant. Their total bill is $45. They decide to leave an 18% tip.

How much is the tip? 

What is the total amount they pay including the tip?

Tip = $8.10

Total w/ tip= $53.10

400

Noah earned $72 in simple interest after 3 years at an annual interest rate of 6%. What was the principal amount he invested?

Noah invested $400

500

Find 1% AND 10% of 76

1% = 0.76

10% = 7.6

500
What is 23% of 68?

15.64

500

A small bakery sold a loaf of bread for $4.50. Due to an inrease in the cost of ingredients, the bakery raises the price to $7.02. What is the percent change? 

56%

500

A group of friends goes out to eat, and their total bill comes to $96. They decide to leave an 20% tip. 

How much is the tip? 

How much money will they leave including the tip?

Tip = $19.20

Total w/ Tip= $115.20

500

Sophia deposits $1,200 in a savings account that earns 5% simple interest annually. She leaves the money in the account for 6 years. How much total interest does she earn, and what is the total amount in the account after 6 years?

She earns $360 in interest, and the total amount is $1,560.

M
e
n
u