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Free printable and online worksheets to help Grade 6 students learn how to find the surface area of three-dimensional figures (solids) using nets.

Calculating the surface area of a solid using its net involves adding up the areas of all the individual faces that make up the net.

Steps to Calculate the Surface Area from a Net.

- Identify the Shape and Number of Each Face:

Determine the shapes of the faces in the net and count how many of each type are present. - Measure the Dimensions:

For each face, measure the necessary dimensions (such as side lengths for squares or rectangles). - Calculate the Area of Each Face:

Use the appropriate formula to calculate the area of each face based on its shape.

Square: Area = side length × side length

Rectangle: Area = length × width

Triangle: Area = 1/2 × base × height

Other shapes: You might need specific formulas depending on the shape (e.g., circle, trapezoid). - Sum the Areas: Add the areas of all the faces to find the total surface area of the solid.

Tips:

- Make sure all the measurements (side lengths) are in the same unit (e.g., centimeters, inches) before calculating areas.
- Double-check your calculations to ensure you haven’t missed any faces or made errors in finding individual areas.
- If the net has complex shapes (not squares, rectangles, or triangles), you might need to decompose them into simpler shapes to find their areas.

Have a look at this video if you need to review how to find the surface area of a solid using the net.

Click on the following worksheet to get a printable pdf document.

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Find Surface Area using Nets Worksheet #1

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