One size of cardboard can be purchased in sheets that are

3

16

inch thick. The sheets of cardboard are stacked on top of each other in packages. The height of each stack is

2

1

4

inches.

A segment of a ruler showing just over four inches.

Use the model of a ruler to determine the number of sheets of cardboard in a stack.

Explain how you used the model to find your answer.

Write an expression that can be used to determine the number of sheets of cardboard in a stack.

Explain how your expression relates to the model.

Enter your answer, your expression, and your explanations in the space provided