3rd Grade Perimeter

Front

What is perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you find the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Front

What is the perimeter of a square with each side measuring 4 cm?

Back

16 cm (P = 4 x 4 cm).

Front

If a triangle has sides measuring 3 cm, 4 cm, and 5 cm, what is its perimeter?

Back

12 cm (3 + 4 + 5 = 12).

Front

What is the perimeter of a polygon with sides measuring 5 m, 7 m, and 10 m?

Back

22 m (5 + 7 + 10 = 22).

Front

What is the formula for the perimeter of a parallelogram?

Back

P = 2(base + height).

Front

If a rectangle has a length of 8 cm and a width of 3 cm, what is its perimeter?

Back

22 cm (P = 2(8 + 3) = 22).

Front

What is the perimeter of a shape with sides measuring 6 in, 6 in, 6 in, and 6 in?

Back

24 in (4 x 6 in = 24 in).

Front

How do you calculate the perimeter of a circle?

Back

The perimeter of a circle is called the circumference, calculated as C = 2πr, where r is the radius.

Front

What is the perimeter of a rectangle with a length of 10 m and a width of 5 m?

Back

30 m (P = 2(10 + 5) = 30).