by Site Owner | Jul 22, 2011 | Archived Reviews (pre-April 2020), Children's
By Lynda Colgan, Kids Can Press,$16.95, 40 pages Amazed by others who can solve math problems in their heads? Want to be like them? Here’s some great news: you, too, can master methods used by ancient people to compute answers, as if by magic. You’ll appear to be a...
