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25 Cards in this Set
- Front
- Back
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variable (n)
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a symbol that stands for another number: 3m + 2 = 11
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formula (n)
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a pattern that helps you find a specific value: A = lw
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algebra (n)
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the mathematics of working with variables
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negative (adj)
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less than zero: –3
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positive (adj)
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more than zero: 5
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minus (n)
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the symbol – when used in subtraction or to indicate a negative number
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multiplication (n)
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adding a number to itself several times over: 3 x 4 = 12
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subtraction (n)
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taking a quantity away from another: 15 – 6 = 9
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rectangle (n)
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a two-dimensional object with four sides, each at a 90-degree angle to the sides touching it, where the opposite sides are the same length
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perimeter (n)
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the distance around the outside of a two-dimensional shape
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reciprocal (n)
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a fraction flipped upside-down: the reciprocal of 3/5 is5/3
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linear equation (n)
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an equation that, when drawn on a graph, makes a straight line
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sum (n)
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the result of adding numbers: 4 + 8 = 12
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percentage (n)
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a number out of 100, indicated by the % symbol: 4/5 =80%
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product (n)
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the result of multiplying numbers: 3 x 4 = 12
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quotient (n)
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the result of dividing numbers: 60/4 = 15
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sphere (n)
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a round, three-dimensional object
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radius (n)
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the distance from the exact center of a circle to the outside
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pi (n)
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the ratio of the circumference of a circle to its diameter
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area (n)
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the space within a two-dimensional shape
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volume (n)
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the space within a three-dimensional shape
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circumference (n)
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the distance around the outside of a circle
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real number (n)
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any positive or negative number
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number line (n)
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a line representing the set of all real numbers
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no solution (n)
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an equation where, after solving, the numbers do not balance properly: 2(x–5)+3x = 5x–7 –10 = –7
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