Calculating TAX and GRATUITY

By Ms. Morgan

Task

• Students will be able to estimate a percent of quantity given an application.

• Students will be able to apply percents to: – Sale prices– Percent increase– Tax– Gratuity

Standard

8.N.4 Apply percents to tax, sale price and percent decrease.

8.N.5 Estimate percent of quantity given an application.

DO NOW:Walmart is selling Nintendo Wii for $299.99 TAX in the state of New York is 8%. How much would you be paying in total?

Step 1: Convert % into decimalStep 2: Multiply the original price to the decimal to calculate the TAXStep 3: Add the TAX to the original price

New Concept: Gratuity or Tip

• What are some of the services we give a GRATUITY or Tip– – – – –

New Concept: Gratuity or Tip

• What are some of the services we give a GRATUITY or Tip: – A restaurant service– A gas station service– A delivery service – –

How do we calculate a Gratuity or Tip?

Some of the items we chose at Applebee’s:• Southwest Jalapeno Burger $15.99 • Philly Burger $15.99• Cowboy Burger $15.99• Quesadilla Burger 15.49

Calculate the total price:

Include 15% Gratuity

How do we calculate a Gratuity or Tip?

Some of the items we chose at Applebee’s:• Southwest Jalapeno Burger $15.99 • Philly Burger $15.99• Cowboy Burger $15.99• Quesadilla Burger $15.49

Calculate the total price:$16 + $16 + $16 + $15.50 = $63.50

Include 15% Gratuity :15% = .15 $63.50 x .15 = $9.52$63.50 + $9.52 = $73.02

On your own: YOU WILL NEED A COMPUTER TO COMPLETE THIS TASK!

1. GO TO APPLEBEES.COM2. Select three items from the menu:

1. An appetizer 2. A regular meal3. A dessert

3. Include the price for each item4. Calculate the Total price you will be paying

for your items including 8% Tax. 5. Add 15% Gratuity or Tip for the service

6. Create a PowerPoint Presentation

• Slide 1: Aim, name and date• Slide 2: List of 3 items you selected + price

(You can include pictures of your food items if you like)

• Slide 3: Show all your work. (Please make sure to include how you calculated the total price

for all your items and your gratuity)

• Slide 4: Explain your answer using both words and numbers

(Please make sure to include bullets (• ) on your explanation)