Time
Bases
Rhind Papyrus
Geometry
Miscellaneous
100
This was a tower-like object used like a sundial to measure time in ancient Egypt.
What is an obelisk?
100
This base system was used by both the Egyptians and the Chinese.
What is the decimal system?
100
This man purchased the Rhind Papyrus (both names).
Who is Henry Rhind?
100
These are the Greek roots and their English translations of the word Geometry.
What are Geos (earth) and Metron (measurement)?
100
360 was chosen as a base for this reason (2 reasons).
What is close to 365 (actual solar year) and easily divisible?
200
This system was used to measure time in seconds and in minutes.
What is the sexagesimal system?
200
This base system was used by the Babylonians and the Sumerians.
What is the sexagesimal system?
200
This country is the country of origin of the Rhind Papyrus.
What is Egypt?
200
This is what Geometry is used for (name three).
What are surveying, astronomy, navigation, and building?
200
The division of minutes into seconds wasn't widely done until the invention of this device.
What is the mechanical clock?
300
This was used to determine months in a year.
What is lunar cycle/menstrual cycle?
300
This base system was important for measuring time despite not being a common base.
What is the duodecimal (or 12 base) system?
300
This is where most of the Rhind Papyrus is now.
What is a museum in Britain?
300
This is a person (as well as the tool they used) who surveyed land in Egypt after floods.
What is a rope stretcher?
300
This system may have been chosen because there are this many knuckles on four fingers (name system and number of knuckles).
What are the duodecimal system and 12?
400
This complex instrument for measuring time varied with the season.
What is a hemicycle?
400
This civilization was the first to use zero as a placeholder.
What is the Mayan civilization?
400
These problems were in book 2 of the Rhind Papyrus.
What is geometry?
400
These are the purposes of rope stretching (name two).
What are religious ceremonies, determine property boundaries/land surveying, and building pyramids/structures?
400
This was the way the relationship between night and day was viewed by ancient civilizations.
What is separate?
500
This device, that measured time more accurately than a sundial and didn't require light was translated as a "water thief".
What is a Clepsydras?
500
This number system was used by the Mayans.
What is the vigesimal system (base 20)?
500
There were this many problems in the 3rd book of the Rhind Papyrus.
What is 84.
500
This tool was used along with rope stretchers to find angle or rise over run. This was the type of triangle used when rope stretching.
What are a plummet and a 3 4 5 right triangle?
500
This was the Egyptian name for a rope stretcher.
What is Harpedonaptae?
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