A directory of useful objects found on the web for teaching Maths.
Lesson, Video
Gold is a very precious metal. Listen to reporter Natasha Thiele explain how gold became so valuable and why the price of gold fluctuates. Find out how the ratio of dollar value per unit weight is used to calculate the value of an amount of gold. This clip provides a context to calculate ratios and percentage.
Submit a correction to this link | Help align this link to New NSW K-10 Syllabus for the A.C.