Perimeter 3rd Grade Math Worksheets Printable

Are you searching for effective and engaging ways to help your 3rd-grade students master perimeter? Look no further! We've compiled a collection of printable math worksheets that are specifically designed to reinforce their understanding of this important mathematical concept. These worksheets provide ample practice opportunities, ensuring that your students gain confidence and proficiency in calculating perimeter.

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Find the perimeter of a rectangle with sides measuring 5 cm and 8 cm.

The perimeter of a rectangle is calculated as the sum of all its sides. For a rectangle with sides measuring 5 cm and 8 cm, the perimeter would be 2(5 cm) + 2(8 cm) = 10 cm + 16 cm = 26 cm. Thus, the perimeter of the rectangle is 26 cm.

Determine the perimeter of a square with each side measuring 3 inches.

The perimeter of a square with each side measuring 3 inches is 12 inches, calculated by multiplying the length of one side by the total number of sides (3 inches x 4 sides = 12 inches).

Calculate the perimeter of a triangle where the sides measure 7 cm, 4 cm, and 9 cm.

The perimeter of the triangle is calculated by adding the lengths of all three sides together. Therefore, the perimeter of the triangle with sides measuring 7 cm, 4 cm, and 9 cm is 20 cm (7 cm + 4 cm + 9 cm = 20 cm).

What is the perimeter of a rectangle with a length of 12 inches and a width of 6 inches?

The perimeter of a rectangle can be calculated by adding up all the sides, which in this case would be 2 times the length plus 2 times the width. Therefore, the perimeter of the rectangle with a length of 12 inches and a width of 6 inches would be 12 + 12 + 6 + 6 = 36 inches.

Find the perimeter of a square with each side measuring 9 cm.

The perimeter of a square with each side measuring 9 cm is 36 cm.

Determine the perimeter of a triangle with sides measuring 6 inches, 8 inches, and 10 inches.

To determine the perimeter of the triangle with sides measuring 6 inches, 8 inches, and 10 inches, you simply add the lengths of all three sides together. Therefore, the perimeter of the triangle would be 6 + 8 + 10 = 24 inches.

Calculate the perimeter of a rectangle with a length of 15 cm and a width of 10 cm.

The perimeter of a rectangle is given by the formula P = 2(l + w), where l is the length and w is the width. Plugging in the values, we get P = 2(15 + 10) = 2(25) = 50 cm. Therefore, the perimeter of the rectangle is 50 cm.

What is the perimeter of a square with each side measuring 5 inches?

The perimeter of a square with each side measuring 5 inches is 20 inches.

Find the perimeter of a triangle with sides measuring 12 cm, 15 cm, and 18 cm.

To find the perimeter of a triangle, you simply add the lengths of all three sides. Thus, the perimeter of the triangle with sides measuring 12 cm, 15 cm, and 18 cm is 12 cm + 15 cm + 18 cm = 45 cm.

Calculate the perimeter of a rectangle with a length of 8 cm and a width of 13 cm.

To calculate the perimeter of a rectangle, you add up all the sides. For a rectangle with a length of 8 cm and a width of 13 cm, the perimeter would be 2(8 cm) + 2(13 cm) = 16 cm + 26 cm = 42 cm. Therefore, the perimeter of the given rectangle is 42 cm.