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Math Vocabulary Quarter 2 B - 5th Grade
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Gravity
Terms in this set (22)
perimeter
The distance around a figure
improper fraction
a fraction whose numerator is larger than the denominator
denominator
the part of a fraction below the line, which tells how many equal parts there are in the whole or in the group
line
a straight path that extends without end in opposite directions; a series of points that extends in two opposite directions without end
plane
an unbounded two-dimensional shape; a flat surface that extends without end in all directions
vertex
the point of intersection of lines or the point opposite the base of a figure
acute angle
an angle less than 90 degrees but more than 0 degrees
right angle
the 90 degree angle between two perpendicular lines
polygon
a closed plane figure bounded by straight sides
pentagon
a five-sided polygon
triangle
a three-sided polygon
least common multiple
the smallest multiple (other than zero) that two or more numbers have in common
mixed number
a number made up of a whole number and a fraction
parallel lines
lines in the same plane that never intersect
variable
a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity
common factor
an integer that divides two (or more) other integers evenly; a number that is a factor of two or more numbers
horizontal axis
the x axis in a coodinate system; it is a number line that locates points to the left or to the right of the origin
origin
the point of intersection of coordinate axes (0, 0)
reflection
A transformation that "flips" a figure over a reflection line.
translation
A transformation that "slides" each point of a figure the same distance in the same direction on a coordinate plane
probability
a measure of how likely it is that some event will occur; the likelihood that a particular event will occur
coordinate grid
a grid formed by a horizontal line called the x-axis and the vertical line called y-axis
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