Multiplication as Area Math Example 4

Follow the full solution, then compare it with the other examples linked below.

Example 4

medium
A wall has an area of 54 square feet. It is 9 feet tall. How wide is the wall?

Solution

  1. 1
    \(A = l \times w\), so \(54 = 9 \times w\).
  2. 2
    Divide both sides by 9: \(w = 54 \div 9 = 6\).
  3. 3
    The wall is 6 feet wide.

Answer

6 feet wide
Using \(A = l \times w\), if we know area and one dimension, division gives the other: \(w = A \div l = 54 \div 9 = 6\).

About Multiplication as Area

Understanding multiplication as calculating the area of a rectangle: length times width gives the number of unit squares that fit inside. This visual model connects arithmetic to geometry.

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More Multiplication as Area Examples

Example 1 easy

A rectangular garden is 5 meters long and 3 meters wide. What is its area? Use (A = l times w).

Example 2 medium

A tile floor is 8 feet long and 6 feet wide. Each tile is 1 square foot. How many tiles are needed t

Example 3 easy

A rectangle has length 7 cm and width 4 cm. Find its area.

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