Math and Time Flashcards

1
Q

Which calendar had a day of rest?

A

Jewish and Islamic

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2
Q

Where do the names of the months come from?

A

Roman Mythology

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3
Q

Why did people start counting?

A

To keep up with seasons for planting and farming.

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4
Q

What did we use to keep track of our number systems?

A

Symbols (tick marks, stones, clay, sticks)

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5
Q

What are bases?

A

Way we count (Ours is base of 10)

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6
Q

Why did we develop fractions?

A

To divide land and food equally

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7
Q

Who invented the abacus?

A

Chinese

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8
Q

Where was the House Of Wisdom located?

A

Baghdad

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9
Q

What 2 cultures where represented at the House of Baghdad?

A

Greek and Hindu

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10
Q

What Greek mathematician tried to calculate the size of the Earth?

A

Ptolemy

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11
Q

Al Khwarizmi is the person who invented _____.

A

Algebra

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12
Q

Al Khwarizmi also discovered _____ Numerals

A

Hindu

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13
Q

The Hindu number system used what that us still in use today?

A

Decimals and the number 0

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14
Q

What calendar do we use today?

A

Christian (Gregorian) Calendar

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