Lesson Plan:

# Solid Shape Sort

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Subject
Standards
August 20, 2015

## Learning Objectives

Students will be able to identify different 3D solids given their characteristics.

## Lesson

### Introduction (10 minutes)

• Pass out a set of 3D shapes to each group as well as the 3D Shapes worksheets to each student.
• Define a shape's faces as its flat sides, a shape's edges as the line where two faces meet, and a shape's vertices as the point where two edges meet.
• Having students stay in their groups, have them examine the 3D shapes together to identify the number of faces, edges, and vertices each has.
• Have students then look at the 3D Shapes worksheet to determine the names of the solids shown.

### Explicit Instruction/Teacher Modeling (10 minutes)

• Ask students to think about the characteristics of each shape and how it determines how the shape could move. For example, can the shape roll? Can it be stacked?
• Have students volunteer their thoughts and test them with the set of 3D shapes.
• Review the number of sides, edges, and vertices each shape has once more.

### Guided Practice/Interactive Modeling (15 minutes)

• With a partner, invite children to use the characteristics of the shapes to play I Spy.
• In this game, students should take turns identifying solids by listening to clues such as, “I spy with my little eye something that can stack.”
• Children get three guesses before another attribute is added, such as “I spy with my little eye something that can stack and has 6 faces.”
• The student who guesses will have to explain how he or she knows. They will then give clues for the next object.

### Independent Working Time (10 minutes)

• Students will work independently to complete the 3D Shapes worksheet.

## Extend

### Differentiation

• Enrichment: Advanced students may write a more detailed entry in their math journals.
• Support: Allow struggling students to continue to use the 3D shapes as they complete the lesson.

## Review

### Assessment (10 minutes)

• Ask students to hand in their worksheets when finished.
• Have students write 4 sentences in their math journals about the characteristics of 3D shapes.

### Review and Closing (5 minutes)

• Bring students together to review the characteristics of solids and how we use those characteristics to sort 3D figures.