Question
Find the area of the figure by counting squares:

Answer

By observing the figure, we get
Covered Area Total Numbers Area
Fully filled squares $9$ $1$ $\times$ $9 = 9$
Half filled squares $0$ $\frac{1}{2} \times 0=0$
More than half-filled squares $9$ $1$ $\times$ $9 = 9$
Less than half-filled squares $7$ $0$ $\times$ $7 = 0$
Area $=9(1)+0\left(\frac{1}{2}\right)+9(1)+7(0)$
$= 9 + 0 + 9 + 0$
$= 18$ square units

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