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Grade 3/4 PSSA Vocab
Math PSSA Vocabulary
Question | Answer |
---|---|
any of the counting numbers 0 through 9 | digit |
the name of a number written in digits | standard form |
a combination of numbers and symbols that show a mathematical relationship. It can contain variables | expression |
a math sentence showing that one expression equals another | equation |
having the same value | equivalent |
any number that is being added (partner) | addend |
a math sentence that shows that the terms on either side are unequal | inequality |
the answer to an addition problem (total) | sum |
a set of related addition and subtraction, or multiplication and division equations using the same numbers | fact family |
the distance around a figure (add all sides) | perimeter |
a polygon with 4 sides | quadrilateral |
a straight path extending in both directions with no endpoints | line |
lines that never intersect or touch and are always the same distance apart | parallel lines |
two lines, line segments, or rays that intersect to form right angles | perpendicular lines |
a part of a line that has one endpoint and continues without end in the other direction | ray |
a quadrilateral whose opposite sides are parallel and congruent | parallelogram |
having the same size and shape | congruent |
a parallelogram with four equal sides | rhombus |
a quadrilateral with exactly one pair of parallel sides | trapezoid |
a line that divides a figure into two halves that are mirror images of each other | line of symmetry |
a polygon with six sides | hexagon |
an angle with a measure less than 90 degrees | acute angle |
an angle that measures exactly 90 degrees | right angle |
an angle with a measure greater than 90 degrees | obtuse angle |
a point where lines, rays, or sides of a polygon meet | vertex |
a triangle with 1 right angle | right triangle |
a situation in which a rule causes each "in value" to have its own "out value" | function |
a table that uses tally marks to record data | tally chart |
a graph that uses pictures to show and compare information | pictograph |
a transformation that makes a mirror image of a shape - also called a flip | reflection |
a movement of a shape that turns the shape around a fixed point - also called a turn | rotation |
a movement of a shape to a new position without turning or flipping it | translation |
the product of a given number and another number | multiple |
a rectangular arrangement of objects in rows and columns | array |
the measure of the inside of a shape in square units | area |
time shown on a clock with an hour and minute hand | analog time |
a plane figure that serves as one side of a solid figure | face |
the line segment where two faces of a solid figure meet | edge |
a rectangular solid having six congruent square faces | cube |
the amount of space a solid figure can hold in cubic units | volume |
a solid figure with two circular bases that are parallel and congruent | cylinder |
a solid figure that has a circular base and one vertex | cone |
a solid figure with a polygon base and triangular sides that meet at a single point | pyramid |
a solid figure in which all six faces are rectangles | rectangular prism |
a solid figure that has all points the same distance from the center | sphere |
a group of items - placing these items in a different order does not create a new combination | combination |
average - the number found by dividing the sum of a set of numbers by the number of addends | mean |
the middle number in an ordered set of numbers or the average of the 2 middle numbers when the set has 2 middle numbers | median |
the number(s) that occur most often in a set of numbers | mode |
a pair of numbers used to locate a point on a coordinate grid. The first number tells how far to move over, and the second tells you how far to move up | ordered pair |