Graphing Calculators as Tools includes several graphing calculator activities and focus on what we believe are four powerful ways to use this technology as a tool to explore mathematical idea:
- Collecting or generating raw data
- Examining multiple cases
- Providing immediate feedback
- Showing graphical and numerical displays
Teachers can use these ideas effectively through TPACK (technology, pedagogy, and content knowledge). The interconnection and intersection technology, pedagogy, and content knowledge. The article discussing different ways of investigating algebra through the use of graphing calculators and technological tools. Students use graphing calculators and stand alone motion detectors to investigate linear relationships and other functions. Students can make connections to positive and negative slope. The accessories available for graphing calculators allow students to physically investigate linear relationships and functions with motion sensors. The calculator they creates a graph from their movement. Students can then analyze the graph of their movement. Students investigate geometry and measurement using the SMILE application. SMILE has the potential to strengthen students' understanding of angle and angle measure. Students also use graphing calculators to investigate data analysis and probability. Students can use the graphing calculators to use probability simulations where they develop estimates of experimental probabilities for the problems they are interested in investigating in a more efficient way that using traditional tools.
I thought that this article was very helpful and useful for classroom teachers. I liked that the article provided a multitude of activities that use graphing calculators. I also liked that the article included activities that utilized different graphing calculator accessories with the calculator. The accessories available for graphing calculators allow students to strengthen prior math skills/knowledge, as well as learn new mathematical skills and concepts. The article is useful to classroom teachers because it specifically explains how certain applications on the calculator can help students grasp a deeper understanding of mathematical concepts and skills. I thought that this article presented very interesting and engaging activities, but it is very expensive to purchase enough graphing calculators for the class. Even if only a few calculators were purchased, the cost of the applications and accessories used in the activities are also costly. I liked that the article addressed how the activities and math skills explained in the article to the NCTM Content Standards.
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