Grade 6 · Math · Lesson 15

Discounts, Taxes and Tips

Discounts, taxes, and tips are everyday percent problems. A discount takes money OFF a price. A tax or a tip ADDS money to a price. In every case you find a percent of the original amount, then either subtract or add. Once you can find a percent of a number, you can solve any sale, restaurant bill, or shopping receipt.

What this lesson teaches

1Compute the sale price after a percent discount using subtraction or a multiplier
2Compute the total amount after sales tax is added to a price
3Compute the tip on a bill and the final amount paid
4Solve real-world problems that combine discounts, taxes, and tips

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