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Mom's Math

Across
Because the number Pi can't be expressed as a fraction, it is considered this
Any quadrilateral with 4 right angles is also called a _____
If two quantities have a ratio of approximately 1.618, they are said to be in the what?
A straight line that passes from one side of a circle to the other through the center is called what
It is believed that these people used complex mathematics such as algebra and geometry as far back as 3000 BC.
This is the only number in math that is spelled using the same number of letters as the number
This type of triangle has two sides of equal length and no equal angles.
The longest side of a right angle triangle is called the what?
He discovered the laws of physics
Zero is the only number that is not represented in these numerals
What number always increases in value and can never decrease?
The opposite sides of a dice always add up to this number
Who said: "Not everything that counts can be counted. Not everything that can be counted counts."
"0" is derived from the Arabic word "sifr" which means this type of writing
This man is known as the "father of geometry"
Down
This word is derived from the Old Norse word "hundrath" which actually means 120
Along with "zip", "nil", and "naught", this is another name for zero
Who said "Arithmetic is being able to count up to twenty without taking off your shoes."
the number 4 is considered unlucky in much of this continent because the words for "four" in local languages (shi, sei, si, sa) sound the same as the words in those languages for death
555 is used by some in Thailand as slang for this texting phrase because it has the same pronunciation as part of the phrase
It wasn’t until this century that most mathematical symbols were invented.
7 is the most popular favourite number in the word; this is the second favourite number
The total is 5,050 if you do what to the numbers from 1-100?
111 x ___ = 12321
The spiral shapes of these flowers follow a Fibonacci sequence
This is an actual unit of time, equal to 1/100th of a second
These have a point
The Greek mathematician, Pythagoreans used small rocks to signify numbers while working on mathematical equations. This is how this math originated, as the word means pebbles in Greek
in a room of just 23 people there's a 50% chance that two people have the same what?
The three internal angles of a triangle always add up to 180 this
Cutting a cake into this many pieces is possible with just 3 slices
This is a polygon with 4 sides of equal length and 4 right angle corners
2 and 5 are the only type of these numbers that end with a 2 or a 5.
Zero is this type of number
If two's company and three's a crowd, what are four and five?
If you write out the numbers 0-1000, the letter "A" appears this many times