Calculating Tax, Tip, and Discounts with Percent Proportion

Miss Li teaches about percents, focusing on tax, tip, and discount calculations. She explains the purpose of taxes and tips, and how discounts work. The lesson includes examples of calculating these percentages using the percent proportion method, helping students understand how to apply these concepts in real-life scenarios.

What is the primary reason we pay taxes on goods and services?

• To increase the price of goods

• To provide revenue for the state to fund public services

• To discourage people from buying too much

• To make shopping more complicated

Which of the following items is typically not taxable?

• Groceries

• Electronics

• Clothing

• Restaurant meals

What is a tip also known as?

• Surcharge

• Tax

• Discount

• Gratuity

Why do people leave tips at restaurants?

• To pay for the food

• To thank the service worker for good service

• To cover the tax

• To get a discount on the meal

What does a discount do to the usual cost of an item?

• Increases it

• Deducts from it

• Adds a surcharge

• Keeps it the same

How do you find the new price after applying a discount?

• Divide the original price by the discount percentage

• Multiply the original price by the discount percentage

• Add the discount amount to the original price

• Subtract the discount amount from the original price

What is the percent proportion method used for?

• Finding the total cost of goods

• Estimating the value of a service

• Determining the original price of an item

• Calculating tax, tip, and discount amounts

If an item costs $50 and is on sale for 25% off, what is the first step in finding the discount amount?

• Divide 50 by 25

• Multiply 50 by 25

• Convert 25% to a decimal

• Subtract 25 from 50

Shania and her friends ordered $32 worth of food and need to add 25% for tax and tip. How much will they pay in total?

• $32

• $40

• $25

• $8

Evangeline has a coupon for 30% off an iPod priced at $220. What is the discounted price before tax?

• $154

• $66

• $220

• $200