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Mom's Math

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