Exploring Mathematics Chapters 5-8 Flashcards
1, 1, 2, 3, 5, 8, 13, …
Fibonacci numbers
1, 3, 6, 10, 15, …
triangular numbers
1, 4, 9, 16, 25, …
square numbers
1881, 121, 1001
palindromes
2, 3, 5, 7, 11, 13, …
prime numbers
2L + 2W
perimeter of a rectangle
4S
perimeter of a square
a mirror of this shape will focus sunlight
parabola
a polygon with five sides
pentagon
a polygon with three sides and one right angle
right triangle
a quadrilateral with opposite sides parallel and equal in length
rectangle
a rectangle with four equal sides
square
A whispering gallery has a shape like
ellipse
Ah
Volume
all points are the same distance from the center
circle
ancient Greek who worked out a way to show large numbers that he called myriads
Archimedes
discovered that the sum of the 3 angles of any triangle is 180 degrees
Pythagoras
Does a billion have the same meaning in England and United States?
no
Doubling the length, width, and height of a box gives it a volume
eight times as great
is not a polygon
circle
L x W
area of a rectangle
Mathematics is sometimes called the ___ of science
handmaiden
Of the prefixes giga, mega, and tera, the one that has the greatest value is
tera
proved planets follow elliptical orbits
Johannes Kepler
S2
area of a square
The Egyptian knotted rope was used to measure out
a triangle with a right angle
the first part of the name means over or beyond
hyperbola
The next Fibonacci number after 89 and 144 is ___.
233
the orbit of Haley’s comet is of this shape
ellipse
The prefix bi means
two
The sum of the _______________ of the legs of a right triangle are equal to the _______________ of the hypotenuse.
squares, square
used ratios to find the heights of buildings
Thales
wrote Elements of Geometry
Euclid
___ introduced the use of place value and the numeral 0 to Europe.
Leonardo Fibonacci
∏r2
area of a circle
The study of the properties of whole numbers is called
number theory
