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In this activity, students use an interactive
spreadsheet template to explore relationships and patterns in rational
numbers. The students will also learn how to create the template. Parts of
this activity were originally used in an elementary classroom and are
further described in the following article:
Mathematical Topics: Students will explore relationships between fractions, decimals, percents and pie graphs. Students will also explore several relationships as functions both numerically and graphically and discuss the limit of the expression x/(x+1)
Mathematical Thinking: Students will use patterns and proportional reasoning to discover and explain relationships in rational numbers.
Technology: Students will use scroll bars to change values of cells and observe changes in multiple representations. The students will also learn how to insert scroll bars in a spreadsheet and format the scroll bar to control the values of the numerator and denominator of the fraction.
The following screenshot
displays the interactive template used in this exploration.
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Last modified on July 27, 2001.