Lesson: Estimating Areas of Irregular Shapes

In this lesson, we will learn how to find the area of irregular polygons and estimate the area of irregular shapes using a grid of unit squares.

Question Video: Finding the Area of an Unknown Shape by Counting the Unit Squares Making up the Shape

01:46

Q1:

Suppose each square in the shown grid is a square centimeters. What is the area of the coloured shape?

Q2:

Estimate the area of the figure.

Q3:

Find the area of the shape.

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