Drawings from Angola: Living Mathematics
For children from age 8 to 14. "Drawings from Angola" present an introduction to an African story telling tradition. The tales are illustrated with marvelous drawings made in the sand. The book conveys the stories of the stork and the leopard, the hunter and the dog, the rooster and the fox, and others. It explains how to execute the drawings. The reader is invited to draw tortoises, antelopes, lions, and other animals. The activities proposed throughout the book invite the reader to experiment and to explore the 'rhythm' and symmetry of the illustrations. Surprising results will be playfully obtained, such as in arithmetic, a way to calculate quickly the sum of a sequence of odd numbers. Children will live the beautiful mathematics of the Angolan sanddrawings. Answers to the activities are provided. The book can be used both in classrooms and at home.
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A beautiful excursion
The rhythm of a drawing
Axes of symmetry
Sum of the odd numbers
Some more activities
Activity additional points adds the head Africa Antelope paws array of points axes of symmetry axis Calala calculate quickly Cokwe drawing represents Cokwe figure Cokwe type columns of points Construct a lioness draw a lioness drawer begin Drawings from Angola Examine this Cokwe executing the drawing Geometry greatest common divisor heads and tails hen in flight hunter independent closed lines Invent a figure invent another figure isolated point leopard Let’s lines are needed lines needed lion’s stomach lioness with dimensions lioness with three Living Mathematics Maputo Mozambique Mukuza natural numbers number of closed number of columns number of lines number of points number of rows numbers is equal obtain a number odd numbers Paulus Gerdes Drawings quickly the sum rectangle of points rectangular array removing your pencil represent the stomach rhythm Rooster rotate the sheet rotational symmetry single closed line sona straight-line symmetry of 90o tattoo tortoise total number Verify by executing