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Math Vocabulary

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Title: Math Vocabulary


1
Math Vocabulary
2
odd
  • An odd number can not be divided into two equal
    groups. You only need to check the last digit to
    tell if a number is odd.

3
obtuse angle
  • An obtuse angle measures more than 90 degrees.

4
Acute angle
  • An acute angle measures less than 90 degrees.

5
Probability
  • Probability is the likelihood or chance that
    something will happen.

6
area
  • The area is the number of square units needed to
    cover the surface of the figure.




7
Quadrilateral
  • A quadrilateral is a four-sided polygon with four
    angles.

8
Parallel lines
  • Two lines are parallel if they would never cross,
    even if they went on forever.

9
Perimeter
  • The perimeter is the distance around a figure.

6 cm
11 cm
10
Right angle
  • A right angle measures exactly 90 degrees.

11
Perpendicular lines
  • Two lines are perpendicular if they make two
    right angles.

12
length
  • The length is the long side of any object.

15 in
13
fact family
  • A fact family has three numbers written four
    ways. The top two are addition or
    multiplication. The bottom two are either
    subtraction or division.

2 3 5 3 2 5 5 - 3 2 5 -
2 3
14
even
  • An even number can be divided into two equal
    groups. You only need to check the last digit to
    tell if a number is even.

15
Intersecting lines
  • Two lines are intersecting if they would ever
    cross.

16
sum
  • The answer when adding two or more addends.

6 2 8
17
DIGITS
  • The symbols 0,1,2,3,4,5,6,7,8,and 9, used to
    write numbers.

18
Place Value
  • The value of a place a digit has in a number.

Ones
Tens
Hundreds
150
19
Standard Form
  • A number written in a way that shows only its
    digits.

2,827
20
Expanded Form
  • A number written as the sum of the values of its
    digits.

2,476
2,000400706
21
line segment
  • A line segment is a piece of a line with two ends.

22
Word Form
  • A number written in words.

125
one hundred twenty-five
23
Line of Symmetry
  • A line of symmetry is a line that divides a
    figure into two congruent parts.

24
Open figure
  • An open figure is a figure that does not begin
    and end at he same point.

25
product
  • The product is the answer you get when you
    multiply. The product of six and two is twelve.

6 X 2 12
26
Closed Figure
  • A closed figure is a figure that begins and ends
    at the same point.

27
congruent
  • Congruent shapes are the same size and shape, but
    they can be translated, rotated or reflected.

28
Parallelogram
  • A quadrilateral with opposite sides parallel.

29
Rhombus
  • A parallelogram whose four sides are congruent
    and whose opposite angles are congruent.

30
fraction
  • A fraction tells how a number is divided. The
    bottom tells how many total pieces make a whole.
    The top tells how many we are counting.

31
Octagon
  • An octagon is an eight-sided figure.

32
Parallel
  • Two lines that never intersect

33
difference
  • The difference is the answer you get when you
    subtract. The difference of six and two is four.

6 - 2 4
34
numerator
  • The numerator is the top number of a fraction.
    The numerator tells how many we are counting.

35
Denominator
  • The denominator is the bottom number of a
    fraction. The denominator tells the total number
    of pieces to make a whole.

36
Hexagon
  • A hexagon is a 6 sided polygon.

37
Expanded Notation
  • Expanded Notation is the way to write a number by
    showing the value of each digit.

2,356 2000300506
38
Equation
  • An equation is a number sentence with an answer.

2 9 11 16 3 19
39
quotient
  • The quotient is the answer you get when you
    divide. The quotient of six and two is three.

6 2 3
40
line
  • A line goes on forever.

41
Equally Likely
  • Equally Likely is when there are the same chances
    for more than one event to happen

42
polygon
  • A polygon has straight sides joined together.
    The sides are line segments. They are joined at
    vertices.

43
Estimate
  • To estimate is to form an approximate judgment or
    opinion regarding the worth, amount, size, weight

40
50
48
50
44
Multiples
  • A multiple is two numbers that form a product
    when multiplied

multiples of 4 4, 8, 12, 16, 20, 24, 28, 32
45
Math Vocabulary
46
Triangular Pyramid
  • A triangular pyramid is a pyramid having a
    triangular base.

47
Triangular Prism
  • A triangular prism is a prism composed of two
    triangular bases and three rectangular sides.

48
Sphere
  • A sphere is a round object whose curved surface
    is the same distance from the center to all its
    points.

49
Rectangular Prism
  • A rectangular prism is a 3 dimensional figure
    with 6 rectangular faces.

50
Cube
  • A cube is a solid figure with six congruent
    square faces.

51
Cylinder
  • A cylinder is a solid or hallow object that is
    shaped like a can.

52
expression
  • An expression is a number sentence without an
    answer.

2 y 3 8 z
53
face
  • The face is the flat side of a 3-d shape.

54
vertices
  • Vertices are where two or more edges meet.

55
Reflect
  • Reflect means flipping the image over the line.
    (FLIP)

56
edges
  • The edge is the place where two faces meet.

57
Symmetry
  • When one half of a figure looks like the mirror
    image of the other half.

58
Rotate
  • Rotate means turning the image from a pivot point
    to another. (TURN)

59
Translate
  • Translate means moving the image horizontally or
    vertically. (SLIDE)

60
Translation, Reflection, Rotation
  • Translation is to translate, say it again
  • To somebody else who didnt understand
  • When I look in the mirror I can see my reflection
  • Everything is flipped in the other direction
  • Rotation is to rotate, make it turn
  • These words are not so hard they are easy learn
  • So reflection is to flip
  • Rotation is to turn
  • Translation is to slide it
  • Ive got this concept learned!

61
Impossible
  • Impossible is not possible. It is unable to be,
    exist, or happen.

62
Certain
  • To be certain you are free from doubt. You are
    confident and sure of the outcome.

63
Possible Outcome
  • Possible outcomes of an event are the results
    which may occur from any event.

64
double
  • A double is a number that has two as a factor.
    All even numbers are doubles. You only need to
    check the last digit to tell if a number is a
    double.

65
capacity
  • The capacity is the amount a container can hold
    when it is filled.

66
weight
  • The weight of an object is the amount or quantity
    of heaviness or mass amount a thing weighs.

67
cone
  • A cone is a solid, pointed figure that has a flat
    round base.

68
foot
  • A foot is about the length of a football. 3 feet
    1 yard. 5,280 feet 1 mile.

69
yard
  • 3 feet 1 yard. A yard is about the length of
    a baseball bat. 36 inches 1 yard

70
inch
  • An inch is about the length of a paper clip. 12
    inches 1 foot. 36 inches 1 yard

71
freezing
  • Freezing is 32 degrees Fahrenheit or 0 degrees
    Celsius.

72
factor
  • A factor tells which groups a number can be
    broken into. Ten can be broken into 1 group of
    10, 10 groups of 1, 2 groups of 5, or 5 groups of
    2.

73
kilogram
  • A kilogram weighs about as much as a baseball
    bat. A kilogram is a little more than 2 pounds.
    1,000 grams 1 kilogram

74
quart
  • In the grocery store, a quart is the smaller size
    of milk carton. 4 quarts 1 gallon 2 pints
    1 quart

a gallon
75
boiling
  • Water boils at 212 degrees Fahrenheit or 100
    degrees Celsius.

76
inverse
  • An inverse is the opposite operation in a fact
    family. Addition and subtraction are inverses.
    Multiplication and division are inverses.

gt inverse
6 7 13
13 - 7 13
77
Room temperature
  • Room temperature is about 70 degrees Fahrenheit
    or 20 degrees Celsius.

78
summer heat
  • In the summer it gets up to 100 degrees
    Fahrenheit or about 40 degrees Celsius.

79
cup
  • A cup holds about as much as a school milk
    carton. 2 cups 1 pint. 4 cups 1 quart

1 quart
1 pint
80
gram
  • A gram weighs about as much as an M M. 1,000
    grams 1 kilogram

81
gallon
  • 4 quarts 1 gallon. A jug of milk is 1 gallon.

82
ounce
  • An ounce weighs about as much as a spoonful of
    peanut butter. 16 ounces 1 pound

83
thermometer
  • A thermometer measures temperature in Fahrenheit
    and Celsius.

84
ton
  • A ton weighs about as much as a rhinoceros. 2,000
    pounds 1 ton

85
liter
  • 1,000 milliliters 1 liter. A liter is about
    the size of a sports drink bottle.

86
pound
  • A pound weighs about as much as a jar of peanut
    butter. 16 ounces 1 pound. 2,000 pounds 1
    ton

87
centimeter
  • A centimeter is the size of a centimeter cube.
    100 centimeters 1 meter.

88
mile
  • 5,280 feet 1 mile. A mile is about as far as
    you can walk quickly in 15 minutes.

89
milliliter
  • A milliliter is about as much as a drop of water.
    1,000 milliliters 1 liter

90
meter
  • 100 centimeters 1 meter. A meter is about the
    length of a baseball bat. 1,000 meters 1
    kilometer.

91
triple
  • A triple is a number that has three as a factor.
    All multiples of three are triples. You only
    need to check the digits for threes to tell if a
    number is a triple.

92
point
  • A point is one little place. On a map a point is
    named with x and y.

93
pint
  • A pint holds a little more than a can of soda. 2
    cups 1 pint. 2 pints 1 quart
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