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Estimating a Difference by Rounding

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Round the number 379 to the nearest tens.

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1. Estimate 54 - 13 by rounding.

2. Estimate 280 - 120 by rounding to the nearest hundreds.

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About This Quiz & Worksheet

Using rounding to estimate a difference is a relatively simple concept in mathematics, but this quiz and worksheet combination will definitely help you cement your understanding of it. These practice assets will ask you to apply the knowledge you have about rounding and estimation in actual math problems.

Quiz & Worksheet Goals

In these assessments, you'll be tested on:

  • Rounding to certain values such as tens or hundreds
  • How to use rounding to get a rough estimate of a difference

Skills Practiced

This quiz and worksheet will allow you to test the following skills:

  • Reading comprehension - ensure that you draw the relevant information about rounding and estimation from the related lesson
  • Problem solving - use acquired knowledge to solve estimation and rounding practice problems
  • Defining key concepts - verify that you can accurately define and identify the place values of tens, hundreds, and thousands

Additional Learning

To learn more about rounding and estimations, review the lesson titled, Estimating a Difference by Rounding. This lesson covers the following objectives:

  • Define rounding and estimation
  • Understand how to round to certain values such as tens, hundreds, or thousands
  • Analyze and solve estimation problems applicable to real life situations
  • Perform rounding within problems that require estimations
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