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# A2-D-1-3

last edited by 5 years, 1 month ago

A2.D.1.3 Based upon a real-world context, recognize whether a discrete or continuous graphical representation is appropriate and then create the graph.

In a Nutshell

Students will have a better understanding of discrete and continuous graphs.  They will read a real world problem and determine the most appropriate graph (discrete or continuous) to create.

## Teacher Actions

• Students will develop strategies for solving problems in the context of a real-world applications and select the proper representation as a discrete or continuous graph.

• Students will model data by creating a graph that best represent the discrete or continuous data.

• Implement tasks that promote reasoning and problem solving by allowing students to decide which representation, discrete or continuous, is the most appropriate to use for the given problem.

• Support productive struggle in learning mathematics by asking students to use visual mathematical representations to explain and justify their choice of discrete or continuous graphs to represent their data.

## Misconceptions

• Understand a discrete graph contains distinct points where only these points have meaning in the original problem.
• Understand a continuous graph contains a continuous line between two points where any of the points on the line have meaning in the original problem.
• Determine if a given real world scenario is discrete or continuous and then create its graph.

• Students confuse discrete and continuous functions
• Students have difficulty identifying the proper graph, discrete or continuous, given a real world scenario.

OKMath Framework Introduction