# Free Geometry 2D And 3D Shapes Lesson Plan for 2nd Grade Students

## Topic:Identification of 2d and 3d objects

### Objectives & Outcomes

• Students will be able to identify 2d and 3d shapes.

### Materials

• Chart of different 2d and 3d shapes
• Pictures of 2d and 3d objects (e.g. dollhouse, toys, objects from nature)

### Warm-up

• Show the students a picture of a 2d object and ask them to guess what it is.
• Show the students a picture of a 3d object and ask them to guess what it is.
• Ask the students if they can think of any objects around them that are 2d or 3d.
• Write their answers on the board.

### Direct Instruction

• Show the students pictures of 2d and 3d objects and ask them to identify which is which.
• Demonstrate how to identify the dimensions of an object by looking at its shape and its size.
• Tell the students that some objects can be considered to be in between 2d and 3d, and that these objects have 2d and 3d characteristics. For example, a cube has 6 faces, each of which is a flat 2d shape, but it has 3d dimensions because it has a size and a volume.

### Guided Practice

• Show the students more pictures of 2d and 3d objects and have them work in pairs to identify the dimensions of each object.
• As a class, discuss the different objects and their dimensions.

### Independent Practice

• Have the students draw a picture of a 2d object and a 3d object and label their dimensions.
• Have the students share their pictures with the class and explain their choices for the dimensions of their objects.

### Closure

• Review the vocabulary words for 2d and 3d shapes and their dimensions.
• Ask the students to share or demonstrate their understanding of the concepts learned today.

### Assessment:

• Observe the students during the independent practice activity and formatively assess their ability to identify 2d and 3d shapes.
• Collect and review the students' drawings and written sentences to assess their understanding of 2d and 3d shapes.