Math Grade 2-3

Measuring Perimeter with a Ruler

Use a ruler to measure sides and add them to find perimeter

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Use a ruler to measure sides and add them to find perimeter

Math - Grade 2-3

Instructions: Read each problem carefully. Measure with a ruler when a shape is shown. Add all the side lengths to find the perimeter. Show your work in the space provided.
  1. 1
    A wide rectangle with its outer edge highlighted and a ruler nearby.

    Use a centimeter ruler to measure each side of the rectangle. The top and bottom sides should measure 6 cm each. The left and right sides should measure 3 cm each. What is the perimeter?

  2. 2
    A square with all four equal sides highlighted.

    A square has 4 equal sides. Each side is 5 cm long. What is the perimeter of the square?

  3. 3
    A triangle with three sides highlighted and a ruler nearby.

    Use an inch ruler to measure the sides of the triangle. The sides should measure 3 in., 4 in., and 5 in. What is the perimeter?

  4. 4
    A rectangular picture frame with its outside edge highlighted.

    Mia measures a picture frame. The sides are 8 in., 6 in., 8 in., and 6 in. What is the perimeter of the frame?

  5. 5
    A square with a highlighted outline and a ruler beside it.

    Use a centimeter ruler to measure the sides of the square. Each side should measure 4 cm. What is the perimeter?

  6. 6
    A rectangular garden bed with its border highlighted.

    A garden bed is shaped like a rectangle. It is 7 meters long and 2 meters wide. What is the perimeter of the garden bed?

  7. 7
    An irregular five-sided shape with the outside path highlighted.

    Use a ruler to measure the path around the shape. The 5 sides should measure 2 cm, 3 cm, 2 cm, 3 cm, and 4 cm. What is the perimeter?

  8. 8
    A long skinny rectangle with its perimeter highlighted.

    Noah draws a rectangle. The long side is 9 cm and the short side is 1 cm. What is the perimeter?

  9. 9
    A blank square sticky note with its outside edge highlighted.

    A sticky note is a square. Each side is 3 in. long. What is the perimeter of the sticky note?

  10. 10
    A wide short rectangle with its outline highlighted and a ruler nearby.

    Use a centimeter ruler to measure each side of the rectangle. The top and bottom sides should measure 8 cm each. The left and right sides should measure 2 cm each. What is the perimeter?

  11. 11
    A rectangular sandbox with its outer border highlighted.

    A playground sandbox has 4 sides. The sides measure 4 m, 4 m, 6 m, and 6 m. What is the perimeter?

  12. 12
    A rectangle with its perimeter highlighted and a ruler nearby.

    Use an inch ruler to measure the sides of the rectangle. The rectangle should measure 5 in. long and 2 in. wide. What is the perimeter?

  13. 13
    A tall rectangular book cover with its outside edge highlighted.

    A book cover is 10 in. tall and 7 in. wide. What is the perimeter of the book cover?

  14. 14
    An equal-sided triangle with its perimeter highlighted and a ruler nearby.

    Use a centimeter ruler to measure the sides of the triangle. The three sides should each measure 4 cm. What is the perimeter?

  15. 15
    A blank rectangular sign with its outside edge highlighted.

    Lena measured around a small sign. She wrote these side lengths: 5 cm, 3 cm, 5 cm, and 3 cm. What is the perimeter of the sign?

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