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Setting the Pace

3-5
Students continue their investigation of modeling multiplication on the number line using the Distance-Speed-Time Simulation from the NCTM E-Examples.

The First Race

3-5
Again using the E-Example simulation, students will model multiplication facts on the number line and compare various representations.

Telling Racing Stories

3-5
In this lesson, students model races in which runners start from various positions. They enter numbers in a table of values, model races on a coordinate grid, and compare the results. Students begin to develop an understanding of linear relationships.

Running Races

3-5
Students generate and compare paths which model given problem situations on graphing grids.

Describe the Graph

3-5, 6-8
In this lesson students will review plotting points and labeling axis.  Students generate a set of random points all located within the first quadrant.  Students will plot and connect the points and then create a short story that could describe the graph.  Students must ensure that the graph is labeled correctly and that someone could recreate their graph from their story.

What's So Special About Triangles, Anyway?

3-5
Students explore ways of building different basic shapes from triangles. They also investigate the basic properties of triangles, as well as relationships among other basic geometric shapes.

What Does it Take to Construct a Triangle?

3-5
Students explore the importance of the side lengths of a triangle and when triangles can or cannot be constructed on the basis of these lengths.

How Many Triangles Can You Construct?

3-5, 6-8
Students identify patterns in a geometrical figure (based on triangles) and build a foundation for the understanding of fractals.

Exploring Krypto

3-5, 6-8
The rules of Krypto are amazingly simple — combine five numbers using the standard arithmetic operations to create a target number. Finding a solution to one of the more than 3 million possible combinations can be quite a challenge, but students love it. And you’ll love that the game helps to develop number sense, computational skill, and an understanding of the order of operations.

There is a Difference: Histograms vs. Bar Graphs

3-5, 6-8
Using data from the Internet, students summarize information about party affiliation and ages at inauguration of Presidents of the United States in frequency tables and graphs.  This leads to a discussion about categorical data (party affiliations) vs. numerical data (inauguration ages) and histograms vs bar graphs.