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# Combined Sets

### Go Math Voc. Sets 1,2,3,4,5

TermDefinition
a triangle with exactly three acute angles acute triangle
a pattern where the same value is added to the x-coordinate each time or y = x + a additive pattern
the number of square units needed to cover a surface. l x w = formula for a rectangle area
of equal measure; having the same size and same shape congruent
polygon with ten sides and ten angles decagon
the part of a fraction below the bar that tells how many equal parts there are denominator
answer to subtraction difference
a triangle with three equal sides and 3 acute 60 degree angles equilateral triangle
polygon with seven sides and seven angles heptagon
polygon with six sides and six angles hexagon
opposite operations, or ones that undo each other such as addition and subtraction or multiplication and division inverse operations
a triangle with two congruent sides, with all acute, one obtuse or right angle isosceles triangle
a pattern where the x-coordinate is multiplied by the same number each time or y = ax multiplicative pattern
polygon with nine sides and nine angles nonagon
the part of a fraction above the bar that tells the number of fractional pieces being used numerator
a triangle that has one obtuse angle (one angle larger than 90 degrees) obtuse triangle
polygon with eight sides and eight angles octagon
a pair of numbers used to locate a point on a coordinate plane (x,y) ordered pair
lines in the same plane that do not cross each other; they stay the same distance apart parallel lines
a quadrilateral where opposite sides are parallel and congruent parallelogram
distance around a figure perimeter
polygon with five sides and five angles pentagon
lines that cross and form a right (90 degree) angle perpendicular lines
a closed plane figure formed by three or more line segments polygon
the total when two or more factors are multiplied product
polygon with four sides and four angles quadrilateral
a quadrilateral that is a parallelogram and has four right angles rectangle
polygon with all sides and all angles congruent regular polygon
a quadrilateral that is a parallelogram and has four congruent sides rhombus
a triangle with one right (90 degree) angle right triangle
a triangle with no congruent sides, with all acute, one obtuse, or one right angle scalene triangle
a quadrilateral that is a parallelogram and has four right angles (rectangle) and four congruent sides (rhombus) square
a quadrilateral that only has one pair of parallel sides trapezoid
polygon with three sides and three angles triangle
the first number in an ordered pair; it tells how far left or right to move from (0,0) x-coordinate
the second number in an ordered pair; it tells how far up or down to move from (0,0) y-coordinate
base the surface a solid object stands on
composite number a whole number with more than 2 factors
cube 3D figure that is a special rectangular prism with 6 square faces
dimension a measure of length in one direction
divisible when a number can be divided by another with a whole number quotient and no remainder
factor a number multiplied by another number to find a product
prime number a whole number greater than 1 with exactly two factors
quotient the size of each group or the number of groups when the dividend is divided by the divisor
rectangular prism 3D figure that has 6 rectangular faces, 12 edges, and 8 vertices
volume the measure of the space occupied by matter; l x w x h = rectangular prism
whole numbers the set of counting numbers and zero ( 0, 1, 2, 3, ...)
base area designated as a capital B in formulas and refers to the area of one of the bases in a solid
equation a mathematical sentence that shows two things are equal
numerical expression a mathematical phrase that uses only numbers and operation signs
order of operations the rules that say which calculation comes first when simplifying an expression (PEMDAS)
associative property different combinations do not affect sums 1 +(2 + 3) = (1 + 2) + 3, or products 2 x (3 x 4) = (2 x 3) x 4; it does not apply to subtraction or division
axes the horizontal, (x), and vertical (y), lines that act as reference points when plotting points on a coordinate grid
commutative property order does not affect sums 2 + 3 = 3 + 2, or products 4 x 5 = 5 x 4; it does not apply to subtraction or division
coordinate grid a two-dimensional plane on which to plot points, lines, and curves
distributive property in multiplication a factor can be broken into pieces; 4 x 56 - 4 x 50 + 4 x 6
expanded form the representation of a number as a sum of place values like 57 = 5 x 10 + 7 x 1
hundredths second decimal place to the right
origin the starting point where the axes of a coordinate plane intersect; (0,0)
tenths first decimal place to the right
thousandths third decimal place to the right
x - axis the horizontal (left to right) line on a coordinate plane that runs through zero
y - axis the vertical (up and down) line on a coordinate plane that runs through zero
improper fraction a fraction where the numerator is larger than the denominator
LCD the least common multiple of the denominators of two or more fractions
mixed number a whole number and a fraction together
simplest form a fraction where the numerator and denominator do not have any common factors except 1
unit fraction a fraction whose numerator is 1
Created by: mldavis50