Module 4: Mathematical Patterns Flashcards

1
Q

a set of numbers arranged in some order

A

sequence

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2
Q

ordered arrangement of a set of numbers

A

sequence

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3
Q

a sequence of values that follows a pattern of adding a fixed amount (always the same) from one term to the next

A

arithmetic sequence

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4
Q

the fixed amount in the arithmetic sequence is called

A

common difference

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5
Q

the formula in the arithmetic sequence

A

an=a1+(n-1)d

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6
Q

a sequence of values that follows a pattern of multiplying a fixed amount from one term to the next

A

geometric sequence

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7
Q

the fixed amount in the geometric sequence

A

common ration, r

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8
Q

the formula for finding the common ratio

A

r= an/an-1

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9
Q

the formula for geometric sequence

A

an=an-1r or an=a1r^n-1

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10
Q

a means of solving practical problems. sequence is formed by starting with 1,1 and adding the two preceding numbers to get the next number

A

Fibonacci Sequence

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11
Q

who developed the fibonacci sequence

A

Leonardo Fibonacci

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12
Q

examples of Fibonacci sequence in nature

A

nautilus shell, hurricane, galaxy

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13
Q

the ratio of 2 successive Fibonacci numbers approach the number called

A

Golden Ratio

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14
Q

the golden ratio is irrational and is noted by the ratio of…

A

(1+√5)/2 approx. 1.618

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15
Q

involves flexible thinking, creativity, judgment, and logical problem-solving.

A

abstract reasoning

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16
Q

refers to the ability to analyze information, detect patterns, and relationships and solve problems on a complex, intangible level.`

A

abstract reasoning

17
Q

factors to Compare in abstract reasoning

A

size, location, color, shades, angles, movement

18
Q

created when a shape or a combination of shapes are repeated over and over again covering a place without any gaps or overlaps using transformations; another word is

A

tessellation; tiling

19
Q

who were the first people who used tessellations; where did they put it

A

Sumerians at about 4000BC; build wall decorations in patterns of clay tiles

20
Q

some of the most famous tessellations

A

Moorish wall tiles of Islamic architecture

21
Q

became the first person to complete the study of tessellations after he explored the structure of honeycombs and snowflakes

A

Johannes Kepler

22
Q

300 years later, Russian crystallographer,_____, began the study of tessellations in mathematics.

A

Yvgraf Fyodorov

23
Q

methods used in tesselations

A

translation, rotation, reflection

24
Q

a tesselation made up of congruent regular polygons

A

regular tessellation

25
Q

3 regular polygons that tessellate in the Euclidian plane

A

triangles, squares, hexagons

26
Q

formed by regular polygons. the arrangement of polygons at every vertex is identical

A

semi-regular tessellations

27
Q

2 method of producing irregular shapes to tessellate

A
  • translating (or sliding) the midpoint of any side of the starting shape making some curved lines
  • rotating the midpoint of any side of the starting shape
28
Q

a world-famous graphic artist that attributed to the idea of transformation of shapes to create new, irregular, tessellating shapes

A

Mauritis Cornelis Escher (1898-1972)

29
Q

a rough or fragmented geometric shape that can be split into parts, each of which is approximately a reduced-size copy of the whole.

A

fractal

30
Q

amazingly complicated patterns often produced by very simple processes- reflection , rotation, and translation

A

fractals

31
Q
  • demonstrate a fourth time of symmetry
  • possess self-similarity
A

fractals

32
Q

a shape is _____ when it looks essentially the same from a distance as it does closer up.

A

self-similar

33
Q

a characteristic where an object is composed of smaller copies of itself

A

scaling symmetry or scale invariance

34
Q

fractals from mathematical constructions

A

Koch Curve; Sierpinski’s Triangle