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    Grade 8 2D & 3D Shapes worksheets Explained

    The Grade 8 2D & 3D Shapes worksheets offer intrinsic value with a special focus on the concepts and properties of shapes based on their sides, angles and other attributes. Grade 8 2D & 3D Shapes worksheets include the following concepts:

    • 2-Dimensional Shapes - The primary goal of these worksheets is to familiarize and introduce different parts of 2D shapes, identifying sides and angles and their relationships with each other. The following topics for the basis of the problems in the grade 8 2D & 3D shapes worksheets:
      • Angles of Triangles: This topic has problems that encourage students to explore the possibilities of determining angles formed by lines that coincide with those of a triangle and the sides of the triangle under consideration.
      • Angles of Polygons: This topic explores the relation between the different number of sides of a polygon, and their interior and exterior angles.
      • Using Similar Triangles: The problems in this topic encourage the students to explore the relationship between the angles and sides of two similar triangles.
    • 3-Dimensional Shapes - Students are shown how to calculate parameters like the volume of many three-dimensional shapes, along with how to compute their surface area and volume.
      • Volumes of Cylinders: As the title suggests the topic explores problems related to the volume of cylinders, the challenging variants include problems enquiring if the volume of a solid changes when the material occupied by the cylindrical container takes another container shaped like a square. 
      • Volumes of Cones: The problems in this topic explore the parameters required to find the volume of a cone. It also involves real-life applications of finding the volume of a cone as well. 
      • Volumes of Spheres: Apart from exploring real life application of spheres the problems also prompt students to find the values of the other parameters of the sphere when the volume is given. 
      • Surface Area and Volume of Similar Solids: This topic problems as to how the volume and surface area of two similar solids can be compared.

    The Grade 8 2D & 3D shapes worksheets are highly beneficial for students to have better clarity on concepts that will eventually pave the way for more advanced applications of the concepts taught in the higher grades.

    Benefits of Grade 8 2D & 3D Shapes worksheets

    The grade 8 2D & 3D shapes worksheets are quite useful for students who have already learned about shapes and are now getting introduced to their attributes. These 2D & 3d Shapes worksheets for grade 8 focus on the different aspects of multiple 2D and 3D shapes. 

    The following 8th grade 2D & 3D shapes worksheets will give students an immersive experience and prompt them to explore the parameters that are required to find the volume, angles and the lengths of the sides of different 2D and 3D shapes. The grade 8 2D & 3D shapes worksheets are prepared for students in three difficulty levels - easy, medium and hard. The difficulty level depends on the potential of students to understand the kinds of problems that are part of a particular level.

    Printable PDFs and Interactive Worksheets

    The printable grade 8 2D & 3D shapes worksheets are PDFs that can be easily solved offline once downloaded from the BYJU’S Math website. As a result, students have enough time to solve the problems in the worksheet without any time limit. The PDF worksheets are easy to download and can be solved as per the student’s convenience. The online worksheets for eighth grade students can be solved on the BYJU’S Math website. These worksheets are timed and will encourage students to participate in such time-bound activities in the future. Solving worksheets in the online mode allows students to get the solutions to the problems instantly.

    Frequently Asked Questions

    The two-dimensional space occupied by a certain surface makes up the area of a shape. In contrast, the volume of a given object is the amount of space it occupies or the quantity of a substance it can hold or contain.

    The relationship here is between the perimeter of similar figures and their sides. Two figures that are compared and are found to be similar have side length ratios that are equal to the ratio of their perimeter.

    The volume of a 3D shape can also be calculated using the measurement of the surface area of a 3D shape. As a result, the area formula may be applied to both 2D and 3D shapes.

    The congruence of triangles and similarity of the same triangles being compared differ mainly because congruent triangles have equal side lengths but similar triangles may not have sides of equal length, and may be scaled variations of a specific triangle.

    The formula to find the surface area of a triangular prism is as follows:

    (2 × Base Area) + (Base perimeter × height).

    The area of a triangular prism is the sum of twice the areas of the base and the product of the base perimeter and its height.