number systems

Teaches the concept of place value, following a young girl as she studies the numbers on road signs during a car trip to her grandma's house.

Teaches young readers how temperature is measured by using numbers.

Explains in simple terms the principles of a base five number system.

Discusses the development of numbers and systems of counting to answer the question "How many?".

Presents an introduction to Roman numerals, and traces the history and development of the Hindu-Arabic numerals used throughout the modern world.

Explains the math concept of expanded notation, and uses expanded notation to plan an imaginary trip around the world.

Presents a children's book for early readers that teaches basic math concepts by sorting out socks.

Introduces different systems of counting including the Egyptian base ten, the Babylonian base sixty, the Hindu system using three symbols, and the abacus and computer systems.

A boy wakes up to discover his alarm clock has only odd numbers on it, and his day proceeds to get odder and odder.

A boy wakes up to find a strange day where everything is even, his mother has two heads, and a field trip turns into a very odd ordeal.