Thousands of years ago, in ancient Egypt, there were men known as "rope-stretchers." It was their job to mark out the boundaries of fields and the foundations for houses, temples, and palaces. The...
A square puzzle
Long ago, there was a farmer whose land was in the shape of a square. Each side of the square was exactly one hundred paces long. One day, a tired, dusty man knocked on the farmer's door and asked...
Building numbers
You have probably put together models of cars and airplanes. You've probably made clay models of animals. But have you ever tried to make a model of a number? Remember, to get a square number, you...
Square numbers
Do you know that there are numbers we call square numbers? Why do we call them sqtiare numbers? Because they can be shown in the shape of a square! Remember, every number is macle out of ones. A...
Counting squares
Ahmose, chief builder for the king of Egypt, had a problem. He was building a new palace for the king and queen. The floor of the queen's bedroom was to be made of blocks of a special white stone...
Magic squares
Have you ever seen a magic square? At one time, people gave all kinds of meanings to magic squares. But of course there is nothing really magic about them. They are just a special arrangement of...
What can you do with numbers?
A lot of surprising things I You can turn them into pieces and squares, And into irregular rings. You can split them into piles, You can give them funny names, You can make them into puzzles, You...
Toothpick teasers
1. Put seventeen toothpicks together to make six squares, like this--- Now, take away four toothpicks so that only four squares are left. (There are a number of ways to do this.) 2. That's pretty...
Helpful hints
The following information will help you make the projects in this section. If a special skill is needed, the directions will tell you the page on which that skill is explained. For example: "Saw...
Knots ‘n pots macrame
Read knotting (page 180) before you begin this project. Materials - corrugated cardboard or Styrofoam - curtain ring (optional) - jute - pins or thumbtacks - scissors - tin can, jar, or...
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