Gaffney's Consumer Math FUN

Real Life word problems

100

If a sweater originally costs $60 and is discounted by 25%, how much do you save when you buy it? 

.25 X 60 = $15

200

John's monthly budget is $800. If he spends 30% of it on rent, how much money does have left after he pays his rent?

.30 x 800 = 240

800 - 240 - $560

300

 A store sells jeans for $50 each. If Sara buys 3 pairs of jeans and gets a 20% discount on the total price, how much does she pay?

$50 x 3 - $150

$150 x .80 = $120   OR

$150 x .20 = $30

$150 - $30 = $120

400

Mary bought a laptop for $800 with a 7% sales tax. How much did she pay in total?

$800 x .07 =$56

$800 + 56 = $856

500

If a smartphone costs $500 and its price increases by 10% after a year, what is the new price?

$500 X .1 = $50

$500 + $50- = $550

Equations

100

•  Solve for x: 2x + 5 = 15

X=5

200

• 200 points: Solve for y: 3y - 7 = 11

Y = 6

300

• 300 points: Solve for z: 4z + 8 = 20

z=3

400

Solve for w: 5w - 12 = 18

w=6

500

 Solve for u: 6u + 4 = 34

U=5

Vocabulary

100

What is the definition of "Interest" in consumer math?

Something you pay for borrowing  money or something you receive for saving money in the bank

200

Define "Principal" in a financial context..

the amount of money you borrow or save 

300

Explain the term "Mortgage".

Money you borrow to buy a house. 

400

 What does "Revenue" mean in business?

money coming in 

500

500 points: Define "Compound Interest".

Interest on a loan or savings account that adds up year after year

Percentages

100

• What is 25% of 80?

.25 x 80 = 20

200

• 200 points:  what is 20% of 50?

.2 x 50 = 10

300

If a shirt originally costs $25 and is discounted by 20%, what is the sale price?

.2 x 25 = 5

25 - 5 = $20

400

What is a 15% tip on a $40 restaurant bill?

.25 x 40 = $10

500

If there are 450 students in a school and 60% of them are girls, how many students are boys?

.40 x 450 - 180 boys

Distance Calulations

100

 If a car travels at 60 miles per hour, how far will it travel in 3 hours?

3 x 60 = 180 miles

200

 A plane flies at a speed of 500 miles per hour. How long will it take to fly 1500 miles?

1500 divided by 500 = 3 hours

300

 A train travels 300 miles in 5 hours. What is its speed in miles per hour?

300 divided by 5 = 60 MPH

400

How far can a cyclist travel in 2.5 hours if they are moving at a speed of 15 miles per hour?

2.5 x 15 = 37.5 miles

500

 If a runner completes a 10-mile race in 2 hours, what is their average speed in miles per hour?

10 divided by 2 = 5 MPH