How to Estimate with Decimals to Solve Math Problems


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question 1 of 3

Estimate the product of 5.4 x 3.8.

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1. Martha chips in $14.75 for food at a party. John chips in $18.25 for food at the same party. Using estimation, about how much money did they chip in together?

2. Estimate the product of 6.8 x 2.081.

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About This Quiz & Worksheet

Estimating a calculation is useful in everyday situations. Use this interactive quiz to test your knowledge on rounding decimals and calculating an estimated answer.

Quiz & Worksheet Goals

In this assessment you'll be asked to:

  • Estimate values
  • Find the product of numbers with decimals
  • Solve word problems
  • Calculate addition and subtraction problems with decimals

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on estimating with decimals
  • Problem solving - use acquired knowledge to solve arithmetic practice problems
  • Knowledge application - use your knowledge to correctly estimate answers

Additional Learning

To learn more about estimating with decimals, review the accompanying lesson How to Estimate with Decimals to Solve Math Problems. This lesson covers the following objectives:

  • Understand the purpose of estimating decimal numbers
  • Learn when to estimate a number up or down
  • Identify phrases in word problems that ask for an estimated answer
  • Explain the importance of knowing how to round to the nearest whole number for everyday calculations