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Estimate sums by rounding: word problems

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Estimate sums by rounding: word problems — free printable Grade 3 math worksheet

This worksheet provides grade 3 students with word problems designed to practice estimating sums through rounding. Teachers can use it to reinforce rounding concepts and improve students' mental math skills. It supports developing number sense and problem-solving abilities in a real-world context.

Learning objectives

  • Round numbers to the nearest ten or hundred to simplify addition.
  • Estimate the sum of two or more numbers by rounding.
  • Solve word problems by applying rounding strategies to estimate sums.

How to use this worksheet

  1. Select “Sign in / Sign up to download”, then sign in with Google or email to get the PDF from KiwiBee Printables.
  2. Print at home or in class for Grade 3; it's no-prep, with no extra materials needed.
  3. Hand it out as classwork, homework, or a quick warm-up.

Good for

ClassworkHomeworkWarm-upCentersSmall groups

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