A set of 40 investigations into different types of numbers - Narcissistic, Kaprekan, Keith, Betrothed, Bell, Proth and many more. Each investigation explains something about the number being investigated & then sets a challenge for the students.
Given relevant dimensions (but not formulae) students find surface area and volume of famous buildings including Australia, France, Germany, USA, Brazil to name a few.
A two part GeoGebra exploration of the area of the curve under a function (step by step details for teacher demonstration or student exploration), followed by a simplified version of a proof of the FTC, designed for *intuitive* understanding.
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