Grade 5 Geometry Worksheet: Identify which net can form the 3D shape on the left.

Problem Description:

The task is to identify which nets on the right can form the 3D shapes shown on the left. This involves understanding how 2D nets fold into 3D geometric shapes.

Solution Approach:

1. Understand the Shapes:
- The left column shows 3D geometric shapes.
- The right column shows various 2D nets that may or may not fold into the corresponding 3D shapes.

2. Analyze Each Shape Individually:
- For each 3D shape, determine its net by visualizing how the faces of the shape would unfold into a flat pattern.
- Check each net in the right column to see if it matches the required pattern for the corresponding 3D shape.

3. Key Observations:
- A net is a 2D pattern that can be folded to form a 3D shape.
- Each face of the 3D shape must appear exactly once in the net.
- Adjacent faces in the 3D shape must also be adjacent in the net.

Step-by-Step Analysis:

#### Shape 1: Cylinder
- A cylinder has two circular bases and one rectangular side.
- The net should consist of two circles (bases) and one rectangle (side).
- Correct Net: The second row, first column (two circles connected by a rectangle).

#### Shape 2: Cone
- A cone has one circular base and one curved surface.
- The net should consist of one circle (base) and one sector of a circle (curved surface).
- Correct Net: The third row, first column (a circle connected to a sector).

#### Shape 3: Cube
- A cube has six square faces.
- The net should consist of six squares arranged in a way that allows them to fold into a cube.
- Correct Net: The fourth row, third column (a standard 6-square net for a cube).

#### Shape 4: Triangular Pyramid (Tetrahedron)
- A tetrahedron has four triangular faces.
- The net should consist of four triangles arranged in a way that allows them to fold into a tetrahedron.
- Correct Net: The fifth row, third column (four triangles forming a "Y" shape).

#### Shape 5: Square Pyramid
- A square pyramid has a square base and four triangular faces.
- The net should consist of one square (base) and four triangles (sides).
- Correct Net: The sixth row, third column (a square with four triangles attached).

Final Answer:

Mark the correct nets as follows:
- For the cylinder: Second row, first column.
- For the cone: Third row, first column.
- For the cube: Fourth row, third column.
- For the tetrahedron: Fifth row, third column.
- For the square pyramid: Sixth row, third column.

\[
\boxed{
\begin{array}{c}
\text{Cylinder: Second row, first column} \\
\text{Cone: Third row, first column} \\
\text{Cube: Fourth row, third column} \\
\text{Tetrahedron: Fifth row, third column} \\
\text{Square Pyramid: Sixth row, third column}
\end{array}
}
\]