How Do You Estimate a Percent?

How Do You Estimate a Percent?

Note:

When something is on sale, it's good to know how much you're saving! This tutorial shows you how to estimate a percent using an original price and a coupon!

Keywords:

  • problem
  • percent
  • estimate
  • real world
  • price

Background Tutorials

  • Interpret whole-number quotients of whole numbers, e.g., interpret 56 ÷ 8 as the number of objects in each share when 56 objects are partitioned equally into 8 shares, or as a number of shares when 56 objects are partitioned into equal shares of 8 objects each.

      • What is Division?What is Division?

      What is Division?

      Division is a stepping stone of math! In this tutorial, you'll see how cookies can help you find the answer to division problems!

  • Explain why a fraction a/b is equivalent to a fraction (n × a)/(n × b) by using visual fraction models, with attention to how the number and size of the parts differ even though the two fractions themselves are the same size. Use this principle to recognize and generate equivalent fractions.

      • What are Equivalent Fractions?What are Equivalent Fractions?

      What are Equivalent Fractions?

      Finding equivalent fractions is an important part of things like adding, subtracting, and comparing fractions. But what are they? In this tutorial, you'll learn that equivalent fractions are just fractions that have the same value, even though they may look very different! Take a look at equivalent fractions by watching this tutorial!

  • Understand the concept of a ratio and use ratio language to describe a ratio relationship between two quantities.

      • What's a Ratio?What's a Ratio?

      What's a Ratio?

      Ratios are everywhere! The scale on a map or blueprint is a ratio. Ingredients sometimes need to be mixed using ratios such as the ratio of water to cement mix when making cement. Watch this tutorial to learn about ratios. Then think of some ratios you've encountered before!

  • Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the whole, given a part and the percent.

      • What's a Percent?What's a Percent?

      What's a Percent?

      Sales tax, tips at restaurants, grades on tests... no matter what you do, you can't run away from percents. So watch this tutorial and see once and for all what percents are all about!

  • Use proportional relationships to solve multistep ratio and percent problems.

Further Exploration

  • Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the whole, given a part and the percent.