When teaching sets of Real Numbers, I have always used a Venn diagram to help the students visualize the relationships between the subsets of numbers. However, this is the first year that I used a Venn Diagram with the subsets nested horizontally as opposed to vertically. For some reason, the kids really got the concept quickly. I expected my honors students to move quickly through the lesson but not necessarily my inclusion classes. What a pleasant surprise! I think this horizontal layout helped them to see how the numbers on the Real number line are related to the sets of Integers, Whole and Natural numbers. My, what a difference a small change can make in getting the concept across. Here is the fold-able that we glued into our "Math Bible".
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| Front of fold-able |
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| Class examples on the back side of the fold-able |
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| The sets of numbers defined on the back side of the fold-able. We used an accordion fold and glue the bottom 1/4 of the page into the book. |
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| Back page |
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| Front page |
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