How many students have 2 siblings? How many have 4 siblings?
7 students have 2 siblings. 2 students have 4 siblings.
What is the difference between the number of students who have 2 siblings and the number of students who have 4 siblings? Explain.
The difference is 5. Possible explanations: Subtract to get
Look at the coordinate plane in part 2. What are the coordinates of the origin?
(0, 0)
Explain how to plot a point at (2, 4).
Possible response: Move 2 units to the right along the x-axis. Then move 4 units up.
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