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2-D to 3-D Paper Folding

Resource:
2-D to 3-D Paper Folding

Activity that can be used either as an introduction to the unit or can be used later in the unit to informally assess student thinking.

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• Unit 5

#### Extending to Three Dimensions

Comparing Perimeter, Area, and Volume

Resource:
Comparing Perimeter, Area, and Volume

These three parts are intended to support students in making connections between 2 dimensional and 3 dimensional objects, especially how scaling changes these objects and how we can carefully partition objects in order to make relationships between two otherwise different geometric shapes.

All Resources From:
• Unit 5

#### Extending to Three Dimensions

How Thick is a Soda Can 1

Resource:
How Thick is a Soda Can 1

Task that requires students to apply surface area and density to a real world situation.

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• Unit 5

#### Extending to Three Dimensions

How Thick is a Soda Can 2

Resource:
How Thick is a Soda Can 2

Task that requires students to create a mathematical based plan to find the thickness of a soda can.

All Resources From:
• Unit 5

#### Extending to Three Dimensions

MARS FAL: A Garden

Resource:
MARS FAL: A Garden

This lesson is intended to help assess how well students are able to interpret and use scale drawings to plan a garden layout. This involves using proportional reasoning and metric units.

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• Unit 5

#### Extending to Three Dimensions

MARS FAL: A Sports Bag

Resource:
MARS FAL: A Sports Bag

This FAL is intended to help you assess how well students are able to:
Recognize and use common 2D representations of 3D objects.
Identify and use the appropriate formula for finding the circumference of a circle.

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• Unit 5

#### Extending to Three Dimensions

MARS FAL: Comparing Strategies for Proportion Problems

Resource:
MARS FAL: Comparing Strategies for Proportion Problems

This lesson is intended to help you assess whether students recognize relationships of direct proportion and how well they solve problems that involve proportional reasoning. In particular, it is intended to help you identify those students who:
* Use inappropriate additive strategies in scaling problems, which have a multiplicative structure.
* Rely on piecemeal and inefficient strategies such as doubling, halving, and decomposition and have not developed a single multiplier strategy for solving proportionality problems.
* See multiplication as making numbers bigger and division as making numbers smaller.

All Resources From:
• Unit 5

#### Extending to Three Dimensions

Net Cutouts

Resource:
Net Cutouts

Students will learn about the relationship between the surfaces of a 3 dimensional shape and what that shape looks like in 3d.

All Resources From:
• Unit 5