Finding the Area by Decomposing Rectangles

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width. Formula: Area = Length × Width.

Front

How do you find the area of a composite shape?

Back

To find the area of a composite shape, decompose it into simpler shapes (like rectangles) and calculate the area of each shape, then sum them up.

Front

What is the unit of area?

Back

The unit of area is square units, such as square meters (m²), square centimeters (cm²), etc.

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what is its area?

Back

Area = Length × Width = 10 cm × 5 cm = 50 cm².

Front

What is the area of a rectangle with a length of 8 m and a width of 3 m?

Back

Area = Length × Width = 8 m × 3 m = 24 m².

Front

What is the area of a rectangle with a length of 12 cm and a width of 4 cm?

Back

Area = Length × Width = 12 cm × 4 cm = 48 cm².

Front

How do you decompose a rectangle into smaller rectangles?

Back

You can decompose a rectangle by drawing lines parallel to its sides to create smaller rectangles within it.

Front

What is the area of a rectangle with a length of 6 m and a width of 2 m?

Back

Area = Length × Width = 6 m × 2 m = 12 m².

Front

If a rectangle has an area of 36 cm² and a width of 6 cm, what is its length?

Back

Length = Area ÷ Width = 36 cm² ÷ 6 cm = 6 cm.

Front

What is the area of a rectangle with a length of 15 cm and a width of 10 cm?

Back

Area = Length × Width = 15 cm × 10 cm = 150 cm².