mathematical word problems involving two people working together

This is also known as ‘the cistern problem’ (two pipes filling a cistern at different rates...). Here is the link to a discussion of it. (The discussion contains confusing wording of the solution, but if you read the entire passage you get the correct statement of the solution. The solution is ‘half the harmonic mean … Continue reading mathematical word problems involving two people working together

GeoGebra

“GeoGebra is an interactive geometry, algebra, statistics and calculus application, intended for learning and teaching mathematics and science from primary school to university level.” (“with the help of open-source developers and translators all over the world”) Here is the link to the Wikipedia article on this topic. keywords: [Mathematics] [education] [instruction] [training] [learning] [study] [educators] … Continue reading GeoGebra