## Task Teacher Guide

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### Through This Assessment Opportunity…

Students will demonstrate the concepts and skills that they have developed through this context and learning experience.

### Intentionality…

The purpose of this assessment is for student to demonstrate their understanding of the following big ideas:

- Volume and surface area are attributes of three-dimensional shapes
- Right prisms can be decomposed into measurable parts
- The volume of a rectangular prism can be determined by multiplying length, width and height
- Area is the amount of surface or space inside a two-dimensional region
- Surface area is additive – area of parts can be combined to find the area of the whole
- Both volume and surface area are related to the operations of multiplication and addition

The independent assessment will allow students to demonstrate concepts and skills related to the following learning goals:

- I can multiply the three dimensions in any order to calculate volume.
- I can compose and decompose polygons into triangles and rectangles.
- I can identify 3-D figures that can be represented by nets.
- I can represent three-dimensional figures using nets made up of rectangles and triangles.
- I can apply what I know about calculating the area of rectangles and triangles to a net, and combine the areas for each shape into one answer representing the surface area of a 3- dimensional figure.

Students might write and/or model their answers independently. Students can also be interviewed by their teacher.

An alternative assessment opportunity should be offered if this tool will not successfully capture what the student knows, understands, or can do.

### What You’ll Need…

A variety of tools for students to use to think through the problems, such as:

- Linking cubes or Omnifix cubes
- Isometric dot paper & colored pencils or markers
- Grid paper
- Whiteboards & markers

## Math Talk

### Which Doesn’t Match?

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## Assessment

### Assessment Considerations

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### Assessment: Finding the Volume of Rectangular Prisms

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### Questions: Determining the Volume of Rectangular Prisms

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## Resources and Downloads

## Lesson Tip Sheet

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## Videos & Images

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## Keynote Slides

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## PowerPoint Slides

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## Printable Handout

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## Explore The Entire Unit of Study

This Make Math Moments Task was designed to spark curiosity for a multi-day unit of study with built in purposeful practice, and extensions to elicit and emerge mathematical models and strategies.

Click the links at the top of this task to head to the other related lessons created for this unit of study.

### Visual Math Talk Prompt #1

### Visual Math Talk Prompt #2

## Math Talk

### 1. Which fish tank holds more?

### 2. A shipping box…

### 3. Prism Nets…

### 4. Food wrap…

### 5. A birdhouse…

**Download Editable/Printable Handout**

Become a member to access purposeful practice to display via your projector/TV, download the PDF to upload to your LMS and/or print for students to have a physical copy