What's 20 Percent of 1000? - How-to & Steps


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question 1 of 3

Which of the following statements are true?

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1. Suppose you're out to eat, and you get a bill of $30. You want to leave a 20% tip. What is your tip amount?

2. Suppose you deposit $400 into a savings account that pays 3% simple interest per year. How much interest do you earn in a year?

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About This Quiz & Worksheet

Calculating your tip after a meal is just one use of being able to calculate percentages, but it's very useful in many everyday life situations. This quiz/worksheet combo will allow you to practice finding the percentages of numbers, including numbers past 1,000.

Quiz & Worksheet Goals

This quiz and worksheet will cover the following:

  • Identifying true statements about putting variables in decimal form
  • Calculating what tip to leave for a given percentage and bill amount
  • Figuring out how much interest you will earn given certain numbers
  • Solving problems to find what a percentage of a given number is

Skills Practiced

These assessments will use the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on solving problems using percentages
  • Problem solving - use acquired knowledge to practice problems involving tipping at a restaurant
  • Knowledge application - use your knowledge to check your understanding of how to evaluate interest

Additional Learning

Being able to calculate percentages without a calculator is helpful in many different situations, which you can learn how to do by reviewing the lesson called, What's 20 Percent of 1000? - How-to & Steps. This lesson will cover the following:

  • What 'percent' really means and why it's important
  • Another way to think of dividing a number by 100
  • How to check your work to ensure you have the correct answer