Finding the Area of a Rectangle Using Smaller Rectangles

This video tutorial teaches how to find the area of rectangles and squares by breaking them into smaller rectangles. It explains the concept of area, differentiates it from perimeter, and provides examples of calculating the area of two adjacent rectangles. The tutorial also covers decomposing a larger rectangle into smaller parts to simplify area calculation, reinforcing the multiplication of length and width to find the area.

What is the correct method to find the area of a rectangle?

• Multiply the length and width

• Add the length and width

• Subtract the width from the length

• Divide the length by the width

How do you find the total area of two adjacent rectangles?

• Multiply the areas of both rectangles

• Divide the area of one by the other

• Add the areas of both rectangles

• Subtract the area of one from the other

If a blue rectangle is 8 inches wide and 3 inches long, what is its area?

• 40 square inches

• 64 square inches

• 24 square inches

• 11 square inches

What is the area of a black rectangle that is 5 units wide and 4 units long?

• 30 square units

• 9 square units

• 20 square units

• 10 square units

How can you find the area of a large rectangle by using smaller rectangles?

• By adding the perimeters of smaller rectangles

• By multiplying the areas of smaller rectangles

• By decomposing the large rectangle into smaller rectangles and adding their areas

• By subtracting the areas of smaller rectangles from the large rectangle