Discounts/Markdowns
This describes a discount or markdown
What is money being subtracted from the original price? What is less expensive/cheaper?
This describes a Markup or how taxes/tips work
What is an amount being added to the original price? What is the price will go up/become more expensive?
The formula for simple interest and what the variables represent
What is I (interest) divided by r (rate) multiplied by t (time)?
What does percent of change measure?
What is how much a value has increased or decreased compared to the original amount?
Steps for finding percent of error
What is 1. find the difference between the estimated number and the actual number 2. then divide by the actual number 3. then change decimal to a percent by moving 2 places to the right?
If an item costs $35.00 and it is discounted 25%, what is the discount? what is the final cost?
What is a discount of $8.75? What is a total of $26.25?
An item costs $12.50 and has a sales tax of 5.65%. Find the amount of tax.
What is $12.50 (0.0565) = $0.71?
Find the interest earned if $500 is invested at 6% simple interest for 2 years.
What is I = 500 (0.06) (2) = $60.00?
If the original amount was $3.78 and the new amount is $2.50 what is the percent of change to the nearest hundredth? Is it a percent increase or decrease?
What is a 33.86% decrease?
You guessed a puppy weighed 20 pounds, but it actually weighed 25 pounds. What is the estimate? What is the actual weight? What is the percent error?
What is 25 - 20 / 25 = 0.20 >>> 20% of error?
A TV originally costs $450.50 and is discounted 55%. What is the discount? What is the final price?
What is a discount of $247.78? What is a final price of $202.72?
A TV costs $42.00 and is marked up 18%. What is the markup? What is the new price?
What is a markup of $7.56? What is a new price of $49.56?
How much total money is in an account after 3 years if $1,200 is invested at 4.5% simple interest?
What is I = 1,200 (0.045) (3) = $162 and the total amount is 1,200 + 162 = $1,362?
If Jimmy had 66 dimes last week and now he has 30 dimes what is the percent of change? It is an increase or decrease?
What is a 54.54% decrease?
You estimated Dylan would score 24 points in the school basketball game. On the day of the game he hurt his ankle and scored 10 points. What was your percent of error?
What is 140% of error?
Bill found a skateboard for $240.50. It was marked down 60%. How much did Bill pay?
What is $240.50 - $144.30 = $96.20? What is Bill paid $96.20 for the skateboard?
A hoodie costs $64.00. The store applies a 20% markup, then charges 8.5% sales tax on the new price. Find the amount before tax and the total amount paid after tax.
What is $64 + $12.80 = $76.80? What is a final total of $76.80 + $6.53 = $83.33?
00A loan earns $180 in simple interest over 3 years at a rate of 5%. Find the original principle.
What is P = I / r(t) = 180 / (0.05)(3) = 180 / 0.15 = $1,200?
Megan had 15.6 liters of water before she left on her trip. Now she has 11.4 liters what is the percent of change? Is it a percent increase or decrease?
What is a 26.92% decrease?
Henry Heavyfoot claimed he was driving 55 mph, but the radar showed he was actually driving 65 mph. What was Henry's percent of error?
What is 55 - 65/ 65 = 0.1538 >> 15.38% of error and a ticket?
A store advertises 30% off, then an additional 20% off the sale price. The original price is $200.00. What is the final price?
What is first: $200(0.30) = 60 then: $140(0.20) = 28 and final price of $112?
A restaurant meal costs $58.90. A 15% tip is added, then 9% sales tax is applied to the original meal price. Find the amount of the tip. Find the amount of tax. Find the total amount paid.
What is tip: $58.90(0.15) = $8.84 tax: $58.90(0.09) = $5.30 total: $58.90 + $8.84 + $5.30 = $73.04?
A savings account earns simple interest at a rate of 3.5% per year. After 4 years, the account has earned $420 in interest. Find the original principal. Find the total amount in the account after 4 years.
What is P = I / r(t) = 420 / (0.035)(4) = 420 / 0.14 = $3,000 so Total = p + I = 3000 + 420 = $3,420?
The first Toy Story movie made 54 million dollars. The second movie in that series made 191 million dollars. What was the percent of change? Was it an increase or a decrease?
What is a 253.70% increase?
Patty recorded that she earned 250 points out of 300 possible points in a grading period. Her teacher calculated she actually earned 225 points out of 300.
What is 250 - 225 / 225 = 0.1111 >>> 11.11% of error?