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Find area by counting square units

Area describes the amount of two-dimensional surface covered by a figure, measured in equal-sized square units. A learner finds area by counting unit squares without gaps or overlaps, organizing them into rows and columns when helpful, and distinguishes area from perimeter; this scope focuses on whole-number square-unit measures in grid-based or tiled figures, not fractional units or generalized formulas for more complex shapes.

Detailed Explanation: Find area by counting square units

Area tells how much space is covered inside a flat shape. We measure area in square units. Each small square counts as 11 square unit.

Suppose a rectangle is made of this grid:

â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡\begin{array}{|c|c|c|} \hline \Box & \Box & \Box\\ \hline \Box & \Box & \Box\\ \hline \Box & \Box & \Box\\ \hline \Box & \Box & \Box\\ \hline \end{array}

Step 1: Count the rows.
There are 44 rows of squares.

Step 2: Count the squares in each row.
Each row has 33 squares.

Step 3: Count all the squares.
There are 44 groups of 33:

3+3+3+3=123+3+3+3=12

So, the area of the rectangle is:

12 square units\boxed{12\text{ square units}}

Remember: area counts the squares inside the shape. Perimeter counts the distance around the outside.

Learn by doing: Find area by counting square units

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    Area of a Shape on a Grid - Irregular Shape to Area

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