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7th grade 2D & 3D Shapes Worksheets Explained

The seventh-grade 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. The seventh grade 2D & 3D worksheets include the following concepts:

2-Dimensional Shapes - The primary goal of these worksheets is to introduce students to different classifications of 2D shapes and finding the area as well as perimeter of 2D shapes. A few of the topics covered in the worksheets are:

  • Circles and Circumference
  • Areas of Circles
  • Perimeter and Area of Composite Figures
  • Constructing Polygons
  • Finding Unknown Angle Measures

3-Dimensional Shapes - In this section, the students are introduced to different types of three-dimensional shapes and how their surface areas and their volumes can be calculated.   

A few topics that are included in these worksheets are:

  • Surface Areas of Prisms
  • Surface Areas of Cylinders
  • Surface Areas of Pyramids
  • Volumes of Prisms
  • Volumes of Pyramids
  • Cross Sections of Three-Dimensional Figures

The Grade 7 2D & 3D Shapes worksheets are highly beneficial for students to develop clarity on concepts that will eventually pave the way for better conceptual understanding in higher grades.

It’s best to recollect some of the math concepts that you learned earlier to reinforce your understanding:

Calculating area, circumference, perimeter of a circle

Calculating area, perimeter of composite figures

Polygon construction using angles and side lengths

Surface area of prism

Surface area of a cylinder

Surface Area of Pyramids

Volume of the cylinder

Volumes of Prism

Volume of the cylinder

Cross Sections of Three-Dimensional Figures

Benefits of 7th Grade 2D & 3D Shapes worksheets

The grade 7 2D & 3D Shapes worksheets are quite useful for students who have already learned about shapes and are now getting introduced to their attributes. These geometry worksheets focus on classifying 2D shapes and finding the area and perimeter of these shapes. The grade 7 2D & 3D Shapes worksheets will give students an idea of the different concepts related to 2D as well as 3D shapes that have been introduced to students in the classroom. The grade 7 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 given at a particular level.

Printable PDFs and Interactive Worksheets

The printable PDF 2D & 3D worksheets for seventh grade 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 at the student’s convenience. The online worksheets for seventh-grade students are solved in a web-based environment. 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 obtain solutions to the problems instantly.

Frequently Asked Questions

2-D shapes: Length and width are the two dimensions of a 2D shape. Due to the fact that 2D figures are flat, they are also known as plane figures or plane shapes. 2D shapes lack volume but do have regions. 2D shapes may have either a curved line or straight lines as their boundary. The x-axis and y-axis are used to draw 2D forms.

 

3-D shapes: Three dimensions make up a three-dimensional shape: length, width, and height or depth. Everyday objects that are three-dimensional (3D) shapes include books, balls, bottles, and many others. These objects all have three dimensions: length, width, and height. Since 3D shapes take up space, we can calculate the area and volume for such shapes. Three axes x, y, and z, are used to design 3D shapes.

Grade seven 2D & 3D worksheets address the concept of right angles especially in rectangular prisms, cubes and cuboids. These angles are formed when two straight lines intersect each other at 90˚ or are perpendicular to each other. The concept of right angles are repeatedly used in both 2D and 3D worksheets.

The measure of the surface area of the surface of a 3D shape can be used to determine the volume of a 3D shape as well. Therefore the formula of area is used for both 2D as well as 3D shapes as well.

3D shapes are a combination of 2D shapes. Therefore before learning about 3D shapes one needs to be comfortable and familiar constructing 2D shapes.

The area of a shape is the two dimensional space covered by a given surface. In comparison the volume of a given object is the quantity of space contained in an object.