Turtle Geometry presents an innovative program of mathematical discovery that demonstrates how the effective use of personal computers can profoundly change the

A turtle's most interesting feature is its shell, and what better shape to draw a turtle shell with than a half circle. This book introduces children to a numbe

Students will be able to draw a turtle in just nine simple steps. In the last chapter they can compare their completed drawings with the real thing: a full-colo

A turtle's most interesting feature is its shell, and what better shape to draw a turtle shell with than a half circle. This book introduces children to a numbe

Offers simple instructions for using semicircles to draw a turtle.