# data[].attributes.headline
What do you know is true about the side lengths of a rectangle?

# data[].attributes.subject
What do you know is true about the side lengths of a rectangle?

# data[].attributes.headline
What is the length of the unknown sides?

# data[].attributes.subject
What is the length of the unknown sides?

# data[].attributes.headline
How can you create a model for the problem?

# data[].attributes.subject
How can you create a model for the problem?

# data[].attributes.body
What attributes do we know rectangles have?

# data[].attributes.headline
What do I know about a rectangle that could help me?

# data[].attributes.subject
What do I know about a rectangle that could help me?

# data[].attributes.body
What unit of measurement will we use?

# data[].attributes.body
How can you model your thinking?

# data[].attributes.headline
What equation could you make to represent this problem?

# data[].attributes.subject
What equation could you make to represent this problem?

# data[].attributes.headline
What do they mean by perimeter?  Where would the fence go?

# data[].attributes.subject
What do they mean by perimeter?  Where would the fence go?

# data[].attributes.body
How can you use what you know about rectangles to find the missing side lengths?

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How can we use multiplication to solve based on our model?

# data[].attributes.subject
How can we use multiplication to solve based on our model?

# data[].attributes.body
Students are able to draw a diagram and label each side with the corresponding number.

# data[].attributes.headline
All four sides labeled with correct lengths.

# data[].attributes.subject
All four sides labeled with correct lengths.

# data[].attributes.headline
How can you create a model/ drawing for this problem?

# data[].attributes.subject
How can you create a model/ drawing for this problem?

# data[].attributes.body
What equation can we write to solve for the perimeter?

# data[].attributes.headline
students label all sides of the rectangle 

# data[].attributes.subject
students label all sides of the rectangle 

# data[].attributes.headline
Students show the number of units on each side and the number of units total all the way around

# data[].attributes.subject
Students show the number of units on each side and the number of units total all the way around

# data[].attributes.headline
Is there another way the fence can be displayed?

# data[].attributes.subject
Is there another way the fence can be displayed?

# data[].attributes.headline
Students placing the numbers correctly on a rectangle model

# data[].attributes.subject
Students placing the numbers correctly on a rectangle model

# data[].attributes.headline
There are no missing sides or gaps in the fence

# data[].attributes.subject
There are no missing sides or gaps in the fence

# data[].attributes.body
How can we figure out the unknown sides based on what we know about rectangles?

# data[].attributes.headline
Does it matter which side is 9 units and which side is 3 units? Will the perimeter be the same?

# data[].attributes.subject
Does it matter which side is 9 units and which side is 3 units? Will the perimeter be the same?

# data[].attributes.headline
I would like to have seen my students draw a rectangle and label each side with the appropriate numbers 

# data[].attributes.subject
I would like to have seen my students draw a rectangle and label each side with the appropriate numbers 

# data[].attributes.headline
Students use addition to solve for the perimeter.

# data[].attributes.subject
Students use addition to solve for the perimeter.

# data[].attributes.headline
What is the equation we use to solve perimeter?

# data[].attributes.subject
What is the equation we use to solve perimeter?

# data[].attributes.headline
Do we have all the information we need to solve the problem?

# data[].attributes.subject
Do we have all the information we need to solve the problem?

# data[].attributes.headline
model with correct side lengths - numbering around the outside

# data[].attributes.subject
model with correct side lengths - numbering around the outside

# data[].attributes.headline
How would we find the side lengths of the unknown?

# data[].attributes.subject
How would we find the side lengths of the unknown?

# data[].attributes.headline
Opposite sides are labeled with equal lengths for a rectangle. 

# data[].attributes.subject
Opposite sides are labeled with equal lengths for a rectangle. 

# data[].attributes.headline
Students are able to not only use a model, but also explain their thinking and reasoning to support their model.

# data[].attributes.subject
Students are able to not only use a model, but also explain their thinking and reasoning to support their model.

# data[].attributes.headline
Students should be able to label the sides that are giving.

# data[].attributes.subject
Students should be able to label the sides that are giving.

# data[].attributes.headline
Students understand the modeling only involves the edge of the shape 

# data[].attributes.subject
Students understand the modeling only involves the edge of the shape 

# data[].attributes.headline
Remember a fence goes around and a garden goes inside ( to help remember the difference between perimeter and area)

# data[].attributes.subject
Remember a fence goes around and a garden goes inside ( to help remember the difference between perimeter and area)

# data[].attributes.headline
What do we know about a rectangle to help us draw our model?

# data[].attributes.subject
What do we know about a rectangle to help us draw our model?

# data[].attributes.body
The opposite sides are the same length. All sides are labeled with correct lengths.

# data[].attributes.headline
Students draw/model a rectangle with a length of 9 on "top" and 3 on the "side" and then have them model 3 on the top and 9 on the side and figure out the perimeter for both

# data[].attributes.subject
Students draw/model a rectangle with a length of 9 on "top" and 3 on the "side" and then have them model 3 on the top and 9 on the side and figure out the perimeter for both

# data[].attributes.headline
Rectangle - label opposite sides with same length

# data[].attributes.subject
Rectangle - label opposite sides with same length