![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWk6YHycGZuzts2cewFhCrwPsg3FEmcVXXjZqqF6iRd4f2dySv2KNOMTkH0aGYbTC4UXDGe3kQKNctRorORs_1E5M4klVTAg76ijTZ_T50wvbmoRf6vnBuGBgRt_cdvZi_Pfw8FIlW4BA/s200/gorrila.jpg)
Most textbookish review sections for decimals are pretty boring. How might this help? Putting a common idea in a interesting, surprising way will get the kids attention. Now how do achieve your math objective with that?
Source: Wired Magazine (Nov. 2009) p. 45. I had to scan it; couldn't find it on the Web.)