The Irrationals: A Story of the Numbers You Can't Count On
The ancient Greeks discovered them, but it wasn't until the nineteenth century that irrational numbers were properly understood and rigorously defined, and even today not all their mysteries have been revealed. In The Irrationals, the first popular and comprehensive book on the subject, Julian Havil tells the story of irrational numbers and the mathematicians who have tackled their challenges, from antiquity to the twenty-first century.
30 Ready-to-Reproduce Wheels for Cross-Curricular Hands-on Learning Learning is interactive and fun with these easy-to-make wheels that reinforce primary concepts: colors, numbers, rhyming words, seasons, money, and 25 more.
Golden Book - Numbers - What They Look Like and What They Do
The authors have planned this Little Golden Book to show how numbers function in children's every day activities. The rhythmic language, and the stimulating pictures by Violet LaMont, introduce aritnmetic as a joyful and meaningful experience.
