- Tools
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To build a dog house, you and your friends
cut a 10-foot board into two boards. One of
the boards is 4 feet longer than the other.
How long is each board?
Explain what each part of the model represents in terms of
this situation
You can draw a bar model to representa
situation like this.
a What does the number 4 represent
b. What does the variables represent
c. What does the number 10 represent?
Board 1
X
4
Board 2