33 terms

3rd Grade

PSSA Math terms practice
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Terms in this set (...)

analog
time shown on a clock or watch with hour and minute hands (not digital)
cube
a rectangular solid with 6 congruent square faces
face
a flat surface (or plane) that is one side of a solid figure
hexagon
a 6-sided figure
line
a straight path extending in both directions with no endpoints
line of symmetry
a line that divides a figure into two halves that are mirror images of each other
line segment
part of a line with two endpoints
number sentence
a math equation with numbers
octagon
an 8-sided shape
ordered pair
a pair of numbers used to locate a point on a grid
parallel lines
lines that never intersect and are always the same distance apart
pentagon
a 5-sided shape
perpendicular lines
two lines that intersect to form right angles
pictograph
a graph that uses pictures to show and compare information
pyramid
a solid figure with a polygon base and triangular sides that meet at a single point
sphere
a solid figure that is also called a ball
tally chart
a table that uses tally marks to record data
addend
a number that is being added
array
a rectangular arrangement of objects in equal rows or columns
cone
a solid figure that has a circular base and one vertex
cylinder
a solid figure with 2 circular bases that are parallel and congruent
edge
the line segment where 2 faces of a solid figure meet
equivalent
having the same value
fact family
a set of related addition/subtraction or multiplication/division equations that use the same numbers
inequality
a math sentence that contains a symbol showing that the terms on either side are unequal
perimeter
the distance around a figure
quadrilateral
a polygon with 4 sides
volume
the amount of space that a solid figure can hold
transformation
moving a figure to a new position by slide (translation), flip (reflection), or turn (rotation)
whole number
any of the counting numbers
translation
moving a figure without turning or flipping it (slide)
rotation
moving a figure by turning it around a fixed point (turn)
congruent
figures with the same size and shape