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Perimeter of rectilinear shapes

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Perimeter of rectilinear shapes — free printable Grade 3 math worksheet

This worksheet provides practice calculating the perimeter of rectilinear shapes, helping students understand how to add side lengths accurately. Teachers can use it to reinforce measurement concepts and develop students' spatial reasoning with medium-difficulty perimeter problems. Ideal for Grade 3 math lessons focused on geometry and measurement.

Learning objectives

  • Calculate the perimeter of rectilinear shapes by adding the lengths of all sides.
  • Identify and label the sides of rectilinear shapes to determine missing lengths.
  • Apply problem-solving skills to find the perimeter of composite rectilinear figures.

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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