Math and Time Flashcards
Which calendar had a day of rest?
Jewish and Islamic
Where do the names of the months come from?
Roman Mythology
Why did people start counting?
To keep up with seasons for planting and farming.
What did we use to keep track of our number systems?
Symbols (tick marks, stones, clay, sticks)
What are bases?
Way we count (Ours is base of 10)
Why did we develop fractions?
To divide land and food equally
Who invented the abacus?
Chinese
Where was the House Of Wisdom located?
Baghdad
What 2 cultures where represented at the House of Baghdad?
Greek and Hindu
What Greek mathematician tried to calculate the size of the Earth?
Ptolemy
Al Khwarizmi is the person who invented _____.
Algebra
Al Khwarizmi also discovered _____ Numerals
Hindu
The Hindu number system used what that us still in use today?
Decimals and the number 0
What calendar do we use today?
Christian (Gregorian) Calendar