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Title of the Experience
Actions with roots (multiplication)
Name of the teacher
Marieta Andreeva
Country where it took place
Bulgaria
School typology
High Secondary School
Thematic Area
Maths
Experience typology
Teaching in class
Type of contact
Direct
Description of the Experience
In acting with roots students often get confused on how to perform actions on the numbers under the root. For example when it is needed to implement multiplication - , in order to explain how to multiply these numbers I tell them to try to imagine the numbers one with hats and the other without. I explain them that the actions should be carried out with the equal numbers, e.g. first the one without hats and then the other with hats: .

Comments on this Teachers Experience

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Date: 2014.09.29

Posted by Joan David Ferrandis Vila (Spain)

We believe this experience relevant to explain the problem because it is very simple to implement in the classroom. It is easy to explain the resolution of roots. Students find it easier to understand the method using examples because mathematical logic at times find it very complicated. Related to this same theme, the same teacher speaks in another example related to the roots, which is complementary to this example.

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