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# The Maya Civilization Around 2600 B.C-XVI in Central America Pre-Columbian Civilization Southeast of Mexico West of Honduras and Salvador North of Belize.

## Presentation on theme: "The Maya Civilization Around 2600 B.C-XVI in Central America Pre-Columbian Civilization Southeast of Mexico West of Honduras and Salvador North of Belize."— Presentation transcript:

The Maya Civilization Around 2600 B.C-XVI in Central America Pre-Columbian Civilization Southeast of Mexico West of Honduras and Salvador North of Belize and Guatemala

Writing They were the first to implant a writing system that represents the spoken language of their community.

Agriculture Economy based on Agriculture Maya means : those who cultivate the corn No metal tools

Science Astronomy development Development of Matematics tools to calculate the movement in the sky notably the moon and sun. Master the 0 numeral Solar year very precised times is counted in days, period of 20 days, in years of 360 days

THE MAYAN NUMERATION  Pure Vigesimal system for counting objects  Modified Vigesimal system for days  3 signs are used to write the numbers 150150

2

7

Numeration is additive from 1 to 19

2 ways of writing it…

NO SPECIFIC SYMBOLS FOR NUMBER GREATER THAN 19 INSTEAD… SYSTEM OF POSITION

The Maya were not using the same system to count objects and numbers…. Objects Unit of Time 20x20x20x20 20x20x20 20x20 20 1 20x18x20x20 20x18x20 20x18 20 1

Counting from 20… Numeration is one of POSITION  Every number more than 20 needs to be decomposed into the sum of powers of 20 EX : 21= 20x1 +1 79=20x3+19  If a number is more than 20 than we need to write it on a vertical column.  The position of the number determined its value  We read the number from top to bottom and the power of 20 decreases.

Think of floors The 2 nd floor is a multiple of 20 First floor Second Floor

1 x 20 1 1 x 20 + 1 = 21

3 x20 19 79 3 x 20 + 19 =

The 3 rd floor is a multiple of 360 (18x20)=360 12 x 18 x 20 0 x 20 5 12 x 18 x 20 + (0 x 20) + 5 = 4325

The 4 th floor or a multiple of 18x20x20=7200 15x18x20x20=108000 4x18x20=1440 7x20=140 10 109590

Quizz !!! 1.Convert 25 into the Mayan System 25

Quizz !!! 1.Convert 25 into the Mayan System 25

2) Convert the following Maya number into a normal number ?

350

3) Convert the number into a Mayan Number 19578

19578=14400 +5040+120+18 =(2 x 7200)+ (14 x 360) +(6x20) +18 4 th Floor3th Floor2th Floor1th Floor

19578=14400 +5040+120+18 =(2 x 7200)+ (14 x 360) +(6x20) +18 18 6x20 14x18x20 2x18x20x20

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