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Area of Irregular Shapes (Skills Themed) Math Worksheets

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  • Irregular shape is a shape that has angles of different sizes and sides of different lengths.
  • Compared to regular shapes, irregular shapes are often much harder to name because don’t look like the more conventional regular shapes.


  • In finding the area of  irregular shapes, you need to divide the irregular shape into regular shapes that you know such as rectangle, triangle, square, circle and etc.
  • Now, we can find the total area of the irregular shape by adding the areas of the regular shapes which we obtained from dividing the irregular shape.


Formula: A = l x w
l = length
w = width

Formula: A = x2
x = side length of the square

Formula: A = ½ (b x h)
b = base
h = height

Formula: A = πr2
r = radius

Area of Irregular Shapes (Skills Themed) Worksheets

This is a fantastic bundle which includes everything you need to know about Area of Irregular Shapes across 21 in-depth pages. These are ready-to-use Common core aligned 5th and 6th Grade Math worksheets.

Each ready to use worksheet collection includes 10 activities and an answer guide. Not teaching common core standards? Don’t worry! All our worksheets are completely editable so can be tailored for your curriculum and target audience.

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