Mathematical Tasks: Number of Solutions and Answers

Different types of mathematical tasks let us tests the various skills of students. Close ended tasks let us test students basic knowledge of facts and procedures, while open-ended tasks lets us elicit various solutions answers. In the book Mathematical Thinking, Isoda and Katagiri classified mathematical tasks into three types: Type 1: one solution, one answer Type […]
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4 GeoGebra 5 Updates Teachers Will Love

It’s been a while since I have written about GeoGebra, but I have started updating some of the tutorials to GeoGebra 5. For those who have not explored the Archives, I have written numerous GeoGebra tutorials ranging from basics to advanced. GeoGebra is now version 5.0. New features were added and a lot of improvements had been made. The […]
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The Basics of Inverse Proportion

In the previous post, we have discussed the basic of direct proportions. Recall that when two quantities and change and if changes n times, then changes n times, then we can say that is directly proportional to . In this post, we are going to learn about inverse proportions. Problem A rectangle has area 24 […]
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