Bøger af Penny Dowdy

The number system children may use throughout their lives is based on a place-value system. Understanding the place value system is a foundation to various operations as children progress in mathematics education.

Explains the many concepts of money to primary readers, including understanding the value of unique coins and bills, counting money, and checks.

Takes readers into the world of cross country and endurance competitions, which test the stamina, riding, and jumping abilities of the horse and rider. This text provides both history and rules of the sport. It features photographs and informative diagrams.