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* *Reflection: Unit Exams
3D Shapes Unit Assessment - Section 3: Independent Practice

When creating the unit of geometry, I decided to create a separate part of the unit for 3D shapes. I did due to the abstract nature of 3D shapes and so that my students will see a difference between 3D and 2D shapes. This unit assessment, proved to be successful as all of my students were able to master the standards.

See the video for more thoughts on how the assessment aligns to the standards.

*Unit Assessment and Data Driven Instruction*

*Unit Exams: Unit Assessment and Data Driven Instruction*

# 3D Shapes Unit Assessment

Lesson 7 of 18

## Objective: SWBAT distinguish between attributes and non-defining attributes on 3D shapes; SWBAT create a new composite shape from a 3D composite shape.

#### Activating Strategy

*10 min*

I start the review of this lesson by reading the book, "Captain Invincible and the Space Shapes". This book is a great review of 3D shapes, and it keeps the students engaged while reading it.

If the book isn't available, then you can access a read aloud on You Tube.

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#### Teaching Strategies

*15 min*

When I begin the review of this lesson, I like to review the names of 3D shapes: cube, rectangular prism, cone, sphere and cylinder. While reviewing the name of each object, I hold up a shape to represent the item that I am naming.

After naming the shapes, we review the number of flat surfaces and curved surfaces that each shape has. To help the students with keeping track of the number of flat surfaces, I have them hold the object and touch each side with their pencil. This allows them to have a visual on each surface while keeping track of the number of surfaces.

For the standards G.A.1 and G.A.2, it is important that students know the names of the shapes and recognize the difference between 3D and 2D shapes. They should also be able to identify the flat and curved surfaces of 3D shapes.

I want students to get this quick review because, at this age, they can easily be overwhelmed by all the material on the assessment. They need help jogging their working memories, and this warm up will do just that.

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#### Independent Practice

*30 min*

Prior to administering the assessment, I ensure that all of my students are sitting comfortably and in a location where they will provide accurate independent results.

Once we have reviewed the names of the 3D shapes, and their curved and flat surfaces, I hand out the 3D Shapes Unit Assessment.docx.

For those that need additional support, I often bring them into a small group and we go over the test together.

#### Resources

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- LESSON 1: Three Dimensional Shapes
- LESSON 2: Combine 3D Shapes
- LESSON 3: Make New 3D Shapes
- LESSON 4: Take Apart 3D Shapes
- LESSON 5: 2D Shapes on 3D Shapes
- LESSON 6: Sorting 3D Shapes
- LESSON 7: 3D Shapes Unit Assessment
- LESSON 8: Straw Shapes
- LESSON 9: Sort 2D Shapes
- LESSON 10: Describe 2D Shapes
- LESSON 11: Combine 2D Shapes
- LESSON 12: Combine More 2D Shapes
- LESSON 13: Find Shapes in Shapes
- LESSON 14: Take Apart 2D Shapes
- LESSON 15: Equal Parts
- LESSON 16: Halves
- LESSON 17: Fourths
- LESSON 18: Geometry Assessment