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Find the missing side length of a rectangle: word problems

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Find the missing side length of a rectangle: word problems — free printable Grade 3 math worksheet

This worksheet provides medium-difficulty word problems focused on finding the missing side length of rectangles using area formulas. Teachers can use it to reinforce students' understanding of area and their ability to apply multiplication and division in real-world contexts. Ideal for Grade 3 math lessons on geometry and measurement, it supports skill development in problem-solving and spatial reasoning.

Learning objectives

  • Calculate the missing side length of a rectangle using given area and one side length
  • Apply multiplication and division skills to solve word problems involving rectangle dimensions
  • Interpret word problems to identify relevant information for finding missing side lengths

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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