Estimating Sums, Products and Divisors of Whole Numbers


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question 1 of 3

_____ requires us to use mental math to solve problems?

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1. Which equation shows the following problem estimated correctly: 21 x 42 = 882?

2. Use estimation to find the divisor for 76 / 22 = ?

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About This Quiz & Worksheet

Assess your knowledge of estimating whole numbers with this short multiple-choice quiz and worksheet that includes a question about the use of mental math. The worksheet can be printed with or without an answer key.

Quiz & Worksheet Goals

Your knowledge of the following will be tested:

  • What uses mental math to solve problems
  • Estimating sums by rounding addends
  • Using estimation to find the divisor
  • Estimating by rounding to the nearest hundred
  • Calculating percentages when making purchases

Skills Practiced

  • Knowledge application - use your knowledge to answer questions about estimation of whole numbers
  • Interpreting information - verify that you can read information about using estimation to find the divisor and interpret it correctly
  • Information recall - access the knowledge you've gained regarding estimation by rounding to the nearest hundred

Additional Learning

Be sure to check out the related lesson titled Estimating Sums, Products and Divisors of Whole Numbers. You'll find the following in this lesson:

  • Meaning of 'estimation'
  • Review of how to estimate sums
  • Examples of how to use estimation in real life situations