Magic Maths Model

Magic Maths Model

by Kai Questions involving transfers may be confusing at times but a clear model drawing will show that the transfer is included in the equal parts, which then helps to highlight the difference.
Math for Girls ONLY

Math for Girls ONLY

by KC Yan Since it started participating in the International Mathematical Olympiad (IMO) in 1985, when it informally sent only two contestants, the China team of six contestants has been Number One fourteen times. An outstanding achievement, considering that the most...
Solving Diameters

Solving Diameters

by Kai When the diameters of 2 small circles and the diameter of a big circle form an isosceles right-angled triangle, the area of the big circle is equal to the area of the 2 small circles. (*Units were left out for a cleaner presentation.)
Another Math Ban in Singapore

Another Math Ban in Singapore

by KC Yan A less-known disturbing fact in local educational publishing is that Singaporeans, Malaysians, and other nationalities can’t purchase any Amazon Kindle and iBooks math e-books from their own local bookstore. For example, Singaporeans can’t access...