gr. 5 PSSA Vocab
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| A number that is being added | addend
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| an angle that measures 90 degrees | right angle
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| an angle that measures less than 90 degrees | acute angle
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| an angle that measures greater than 90 degrees | obtuse angle
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| a straight path extending in both directions with no end points | line
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| part of a line with 2 end points and a fixed length | line segment
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| part of a line that has one endpoint and continues in the other direction forever | ray
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| the place where two or more lines, line segments, or rays cross | intersection
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| lines that are always the same distance apart and never intersect | parallel
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| two lines, line segments, or rays that intersect to form right angles | perpendicular
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| a flat surface that extends in all directions | plane
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| figures with the same size and shape | congruent
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| figures with the same shape, but not necessarily the same size | similar
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| a triangle that has one 90 degree angle | right triangle
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| a flat figure with 4 or more straight sides that is closed | polygon
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| a polygon with 4 sides | quadrilateral
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| a quadrilateral whose opposite sides are parallel and congruent | parallelogram
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| a parallelogram with 4 equal sides | rhombus
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| a quadrilateral with one set of parallel sides | trapezoid
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| a polygon with 5 sides | pentagon
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| a polygon with 6 sides | hexagon
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| a polygon with 8 sides | octagon
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| a line that divides a figure into 2 halves that are mirror images of each other | line of symmetry
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| moving a figure without turning or flipping it (also called a slide) | translation
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| moving a figure to show its mirror image (also called a flip) | reflection
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| moving a figure to a new position by slide, flip, or turn | transformation
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| moving a figure by turning it around a fixed point | rotation
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| a three-dimensional shape with length, width, and height | solid figure
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| the line segment where 2 faces of a solid figure meet | edge
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| a flat surface that is one side of a solid figure | face
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| a point where lines, rays, sides, or edges meet | vertex
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| a rectangular solid with six congruent square faces | cube
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| a solid figure with a polygon base and triangular sides that meet at a single point | pyramid
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| a solid figure with 2 circular bases that are parallel and congruent | cylinder
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| a solid figure that has a circular base and one vertex | cone
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| a solid figure that has all points the same distance from the center (like a ball) | sphere
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| any of the counting numbers | whole number
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| a number or any combination of numbers and symbols that shows a mathematical relationship without an equal sign or answer | expression
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| having the same value | equivalent
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| a math sentence showing that one expression equals another | equation
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| a math sentence that contains a symbol showing that the terms on either side are unequal | inequality
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| a math equation with numbers | number sentence
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| a set of addition/subtraction or multiplication/division equations that use the same numbers | fact family
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| a situation in which a rule causes each "in value" to have a unique "out value" | function
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| a whole number that has only two factors: 1 and itself | prime number
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| a whole number that has more than two factors | composite number
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| a number that divides evenly into another number | factor
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| the product of a number multiplied by another number | multiple
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| the smallest number (other than 0) that is a common multiple of two or more numbers | least common multiple
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| a way to write numbers that shows the value of each digit | expanded notation
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| the number found by dividing the sum of a group of numbers by the number of addends | mean
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| the number that occurs most often in a set of data | mode
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| the middle number in a list of ordered numbers | median
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| the difference between the biggest and smallest numbers in a group | range
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| the distance around a figure | perimeter
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| the distance around a circle | circumference
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| the measure in square units of the inside of a plane figure | area
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| the amount of space in cubic units that a solid figure can hold | volume
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| a group of items in which the order doesn't matter | combinations
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| a rectangular arrangement of objects in equal rows and columns | array
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| a table that uses tally marks to record data | tally chart
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| a graph that uses pictures to show and compare information | pictograph
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| a pair of numbers used to locate a point on a grid | ordered pair
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| time shown on a clock or watch with hour and minute hands | analog
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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