Lesson Worksheet: Perimeter of Rectangles and Squares Mathematics • 3rd Grade

In this worksheet, we will practice finding the perimeters of rectangles and squares using multiplication, writing equations for the perimeter, and recognizing the formula for calculating the areas of these shapes.

Q1:

Find the perimeter of a rectangle whose length is 35 cm and width is 15 cm.

Q2:

Find the perimeter of the rectangle.

Q3:

Calculate the perimeter of the square 𝐴𝐵𝐶𝐷.

Q4:

Calculate, in meters, the perimeter of a square whose side length is 38 m.

Q5:

How many inches of matting are needed to frame a print that is 16 by 26 inches?

Q6:

A square has a side length of 9 cm, and a rectangle has a length of 3 cm and a width of 2 cm. Find the difference between the perimeters of the square and the rectangle.

Q7:

Find the perimeter of the following figure.

Q8:

Calculate the side length of a square, in meters, whose perimeter is 24 m.

Q9:

If a wire having a length of 96 cm is folded to form a square, how long will each side be?

Q10:

Find the perimeter of a square whose side length is 19 cm.

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