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ChildCraft Mathemagic
by World Book
Description:
A) Fingers, pebbles ang wiggly marks :
The story of how counting began and of where our numerals and way of counting came from.
B) Puzzle fun!:
A collectionof puzzles, games and things to do.
C) What are your chances?:
Mathematics can be used to predict the chances of winning such things as a game or a race.
D) How long, how hot, how heavy?:
The facinating stories behind the ways we measure, weigh and chart things.
E) Points, lines, shapes and designs:
There vare shapes and designs in toys, honeycombs and snowflakes – all based on mathematics.
F) Fun with codes:
Use mathematics to make up your own secret codes.
About The Author
The World Book Encyclopedia is an encyclopedia published in the United States. The encyclopedia was designed to cover major areas of knowledge uniformly, but it shows particular strength in scientific, technical, and medical subjects. It is based in Chicago, Illinois. The first edition (1917) contained eight volumes. New editions have since appeared every year except 1920, 1924, and 1932, with major revisions in 1929 (13 volumes), 1947 (19 volumes), 1960 (20 volumes), 1971 (22 volumes), and 1988 (new typeface and page design, and some 10,000 new editorial features). World Book also publishes children’s non-fiction and picture books under the Bright Connections Media imprint, and educational development and supplemental instructional resources through Incentive Publications by World Book.
The 1917 edition was published by the Hanson-Roach-Fowler Company, but within two years, World Book became the property of W.F. Quarrie & Company. In 1945, the World Book became the property of Field Enterprises. In 1978, World Book was purchased by Scott Fetzer Company, which in turn has been a subsidiary of Berkshire Hathaway since 1985.
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