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Slide 1:

013456… 1 2 4 5 The Numbers

Roman and "Arabic" Numerals :

The numbers we write are made up of symbols (1, 2, 3, 4, etc) called Arabic numerals, to distinguish them from the R oman numerals (I; II; III; IV; etc.). 013456… 1 2 4 5 Roman and "Arabic" Numerals

Slide 3:

013456… 1 2 4 5 The Arabs popularize these numerals, but their origin goes back to the Phoenician merchants , who used them to count and do their commercial exchanges.

Slide 4:

013456… 1 2 4 5 Have you ever asked the question why 1 is “one”, 2 is “two”, 3 is “three”…..?

Slide 5:

013456… 1 2 4 5 What is the logic that exist in the Arabic symbols?

Slide 6:

013456… 1 2 4 5 Easy, very easy…! There are angles!

Slide 7:

013456… 1 2 4 5 Look at these numerals written in their primitive form and check it up! …

Slide 8:

013456… 1 2 4 5 1 angle 2 angles 3 angles 4 angles

Slide 9:

013456… 1 2 4 5 5 angles 6 angles 7 angles 8 angles

Slide 10:

013456… 1 2 4 5 9 angles

Slide 11:

013456… 1 2 4 5 And the most interesting and intelligent of all…..

Slide 12:

013456… 1 2 4 5 Zero angle !

Slide 13:

013456… 1 2 4 5 Moral of the story: It is never late to learn!

Slide 14:

013456… 1 2 4 5 Share it with your friends…….

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