Area of 2-D Shapes – so many rules and formulas to remember!
It’s often difficult for students to remember all of the formulas and rules when it comes to finding the area of 2-D shapes, so these posters are here to help.
Each poster includes a 2-D shape, the area formula for that shape, and an example using the formula.
2-D Shapes include:
- Non-Right-Angled Triangles
- Right-Angled Triangles
- Compound Shape
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Common Core State Standards alignment
Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation wi...
Find the area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems...
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