# SHAPING up: Round and Round

## Related Articles

- SHAPING up: SHAPES that STRETCH. // Think of a Number;2005, p66
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It focuses on three-dimensional (3D) shapes that are topologically equivalent. Examples of objects that are topologically equivalent are a coin and a marble, a cup and a doughnut, and a square...

- SHAPING up. // Think of a Number;2005, p50
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It focuses on different shapes. It mentions that although ancient Greeks were not so good with numbers, they were very good at mathematics because they understood shapes. According to the...

- SHAPING up: The 3rd Dimension. // Think of a Number;2005, p58
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It focuses on various shapes with three dimensions. A tetrahedron is comprised of four equilateral triangles like a pyramid except that its base is triangular instead of square. A cube is made...

- SHAPING up: Footballs and buckyballs. // Think of a Number;2005, p60
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It discusses icosahedrons. Such shape is composed of 20 hexagons and 12 pentagons. A football has the same characteristics although the other panels can be different in terms of shape and...

- The world of MATHS: LOGIC. // Think of a Number;2005, p82
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It focuses on the branch of mathematics called logic. Logic relies on thought rather than numbers or shapes. Solving a problem logically means deducing certain things and then linking the...

- MAGIC numbers: Pi. // Think of a Number;2005, p42
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It provides information on the concept of pi. A pi is defined as the circumference of a circle divided by the diameter. All circles have the same pi no matter how big or small. According to this...

- The world of MATHS: Freaky FRACTALS. // Think of a Number;2005, p80
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It focuses on shapes called fractals. Mathematician Benoit Mandelbrot gave the name fractals to endlessly messy shapes in 1975. Mandelbrot created the Mandelbrot set, which is said to be the...

- Where do NUMBERS come from?: You can count on PEOPLE. // Think of a Number;2005, p12
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It tackles the 900 different counting systems adopted by tribes in Papua New Guinea as well as that of the ancient Babylonians. It notes that many of these tribes count past their fingers and do...

- Where do NUMBERS come from?: Making a mark. // Think of a Number;2005, p14
A chapter from the book "Think of a Number: A Fascinating Look at the World of Numbers" is presented. It discusses the counting system devised by ancient Babylonians as they counted beyond their hands. It presents information on the clay tokens that they used as record of deals and how they kept...