Tax and Tip
Discount
% Change
Simple Interest
Scale
100
$50 textbook, 5% tax (Find total cost)
What is $52.50?
100

Find the sale price: $18.99 DVD, 15% discount

What is $16.14?

100

Find the percent change: 450 cm to 675 cm

What is 50% increase?

100

What is the formula for simple interest?

What is I=prt?

100

Micah wants to make a scale model of the Empire State Building in New York City. The building is 1,454 feet tall when measured to the top of its antenna. If Micah uses a scale factor of 1/500, how tall will his model be?

What is 2.9 feet tall?

200
$10 lunch, 20% tip (Find total cost)
What is $12?
200

Find the sale price: $19 purse, 25% discount

What is $14.25?

200

Find the percent change: 500 albums to 100 albums

What is 80% decrease?

200

What do the letters stand for in the formula I=prt? Must tell what EACH letter represents.

What is I=interest, p=principal, r=rate (as a decimal), t=time (in years)?

200

A square has an area of 64 square inches. It is enlarged by a scale factor of 3/2. What is the length of one side of the new square?

What is 12 inches?

300

Find the tax: $29 shirt, 7% tax

What is $2.03?

300

Find the sale price is x. Write an expression to show the selling price with a 30% discount.

What is 0.70x

300

Find the percent change from 19.3 to 32.7. Round your answer to the nearest tenth. 

What is 69% increase?
300

Sean has $40 in his savings account. The interest rate is 5% per year. How much will he have in his account after 2 years?

What is $44?

300

The length of a rectangle is 3 inches. What is the length after the rectangle is enlarged by a factor of 9?

What is 27 inches?

400
Find the total: $1.00 pencil, 6% tax
What is $1.06?
400
Find the sale price: $6 notebook, 50% discount
What is $3?
400
Find the percent change: $65 to $75
What is 15% increase?
400

Kate has $97 in her savings account. The interest rate is 2.3%. How much will she earn in interest after 3 months? Round to the nearest cent. 

What is $0.56?

400

Barb has a city map with the scale of 1 inch= 8 miles. On the map, her school is 4.5 inches from City Hall. How many miles apart are the two buildings?

What is 36 miles?

500

Find the tip: $300 dinner, 18% tip

What is $54?

500

Find the sale price is $10. Write TWO expressions to show a 60% discount. Then find the new sale price. 

What is 10 - (0.60)(10); (0.40)(10); $4

500

Find the percent change: 24 hours to 86 hours

What is 258% increase?

500

Mark has a savings account with $189. The bank gives him a interest rate of 0.25%. How much will Mark have in his account after 15 years? Round your answer to the nearest hundredth.

What is $196.09?

500

Loretta made a scale drawing of an elephant using the scale of 1/4 inch=2 ft. What is the actual length of the elephant if the scale has a length of 1.5 inches? 

What is 12 feet?