numbers, natural

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

Counts the many festive items found at a birthday party, going from one to twenty.

An introduction to elementary concepts such as "widest, " "tallest, " and "back-to-back" where the reader is asked to pick out the number with that quality in an animal that is made up of numbers.

Illustrations and simple text introduces even numbers to young readers.

Simple text and photographs introduce the properties of odd and even numbers.

Simple exercises demonstrate the principles of odd and even numbers.

Text and pictures of marine animals teach young readers to count the even numbers up to fifty.

As a farmer tries to find the correct number of mittens for his various farmyard animals, the reader is introduced to odd and even numbers.

When he finds out that he was born on Friday the thirteenth, third-grader Howie Bowles becomes convinced that bad luck is causing all his problems.

A numerical mystery ensues when the numbers all over town suddenly disappear bringing a halt to everyday activities.