An Introduction to Perimeter | Teaching Maths

This video tutorial explains how to calculate the perimeter of various shapes, including squares, rectangles, triangles, and irregular shapes. It provides step-by-step examples and encourages viewers to practice calculating perimeters on their own. The video also includes solutions to practice problems, reinforcing the concept of perimeter as the total distance around a shape.

What is the perimeter of a square with each side measuring 7 centimeters?

• 21 centimeters

• 35 centimeters

• 28 centimeters

• 14 centimeters

How do you calculate the perimeter of a rectangle with a length of 4 meters and a width of 2 meters?

• Add the length and width

• Multiply the length by the width

• Add all sides together

• Subtract the width from the length

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

• 13 centimeters

• 15 centimeters

• 12 centimeters

• 10 centimeters

In an irregular shape, if the total width is 12 meters and one portion is 8 meters, what is the length of the remaining portion?

• 8 meters

• 2 meters

• 4 meters

• 6 meters

What is the perimeter of an irregular shape if the sides measure 2 cm, 3 cm, 5 cm, and 1 cm?

• 10 centimeters

• 11 centimeters

• 22 centimeters

• 6 centimeters