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Math Vocabulary - Grade 4 - PASS - Leaphart LES
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Math vocabulary review for Grade 4 SC PASS test
Terms in this set (64)
fraction
a part of one whole "something"
equivalent
equal in amount or value
equivalent fractions
fractions that have the same value
place value
digits (0,1,2,3,4,5,6,7,8,9) have a different value depending on their place in a number
divisible
a number that can be divided by another number into equal parts without a remainder
product
answer to a multiplication problem
sum
answer to an addition problem
difference
answer to a subtraction problem
quotient
answer to a division problem
factor
two numbers that are multiplied to get a product
operation
a mathematical process, such as addition, subtraction, multiplication, division
increase
to become bigger in value or amount
decrease
to become smaller in value or amount
variables
symbols or letters that are used to stand in the place of numbers
varying
a combination of increases and decreases in value or amount
data
information
point
an exact location in space
line
it continues forever in both directions; it has no endpoints
line segment
part of a line; has 2 endpoints
ray
part of a line: has 1 endpoint and continues forever in 1 direction
angle
formed by 2 rays that meet at a common (the same) endpoint
vertex
the common (same) endpoint of 2 rays that form an angle
polygon
closed figure with straight sides that do not intersect (cross)
quadrilateral
polygon with 4 sides, 4 angles and 4 vertices
parallelogram
quadrilateral with opposite sides that are parallel and are equal in length
rhombus
parallelogram with all sides that are equal in length
rectangle
parallelogram with 4 right angles (90 degree angles)
square
rectangle whose sides are all equal in length
trapezoid
quadrilateral with exactly 1 pair of parallel sides
face
flat surface of a 3-dimensional figure
edge
where 2 faces of a 3-dimensional figure meet
base
bottom of a 3 dimensional figure
rectangular prism
3-dimensional figure with 2 bases that are rectangles and 4 faces that are rectangles
cube
rectangular prism with 6 faces that are congruent squares
congruent
having the same size and shape
cylinder
3-dimensional figure that has 2 bases that are congruent circles, no edges and no vertices
net
flat pattern that can be folded into a 3-dimensional figure
horizontal
going left and right
vertical
going up and down
ordered pair
2 numbers that are used to find a point in a coordinate grid - example: (4, 2)
translation
a slide of a figure to a new location (place)
rotation
a turn of a figure around a point
clockwise
turning (rotating) in the direction in which the hands of a clock move
counterclockwise
turning (rotating) in the direction OPPOSITE to the one in which the hands of a clock move
perimeter
the measure of distance around a polygon
area
the number of square units needed to cover a figure
A = L x W (area = length x width)
formula for the area of a rectangle (including squares)
A = 1/2 B x H (area = 1/2 x base x height)
formula for the area of a triangle
categorical data
shows numbers divided into groups or categories - example: data that shows how many students signed up for different after-school activities
numerical data
shows numbers that are NOT divided into groups or categories - example: data that shows the 5 lowest scores earned on a math test
probability
the likelihood that an event is going to occur (happen)
outcome
the result of a probability experiment
approximate
close to in value
bar graph
graph that uses bars to represent and compare data
coordinate grid
a grid made up of 2 number lines, the x-axis and the y-axis, which meet at a point called the origin
decimal
a number with a decimal point
denominator
in a fraction, the number below the fraction bar
dividend
the number that is being divided - example: in 8 divided by 2 = 4, it would be the number 8
divisor
a number that divides the dividend - example: in 8 divided by 2 = 4, it would be the number 2
reflection
flip of a figure over a line; the mirror image of a figure
improper fraction
a fraction in which the numerator is larger than the denominator
mixed number
a number that includes both a whole number and a fraction
sampling
collecting data from a part of a group (not from everyone in the group)
estimate
a number that is not exact, a careful guess
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