6th Grade Math Vocabulary
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| Approximate | a number or measurement that is close to or near its exact value
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| Bar graphs | are graphical data representations based on frequency
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| Base Face | the faces on the top and bottom of a 3-dimensional figure
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| Categorical data | types of data which may be divided into groups. Examples, sex, age group, educational level, etc.
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| Chart | a data display that presents information in columns and rows
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| Clustering | an estimation method in which a group of number close in value are rounded to the same value.
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| Common multiple | multiples that are shared by two or more numbers
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| Composite number | a number greater than one that has more than 2 factors.
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| Coordinate plane | a plane in which a horizontal number line and a vertical number line intersect at their zero points.
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| Cubed | the product in which a number is a factor three times.
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| Data | information, often numerical, which is gathered for statistical purposes.
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| Decimal | separates the whole number part of the decimal from the part that is less than 1.
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| Denominator | the bottom number in a fraction
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| Domain | the set of input values
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| Equal | having the same value (
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| Equivalent | having the same value (
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| Equivalent fractions | fractions that name the same number
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| Equivalent ratios | two ratios that have the same value
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| Estimate | an educated guess for an unknown quantity or outcome based on known information.
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| Estimation | the use of rounding and/or other strategies to determine a reasonably accurate approximation, without calculating an exact answer.
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| Expanded form | the sum of the products of each digit and its place value of a number.
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| Exponent | in a power, the number of times the base is used as a factor. In 53, 3 is the exponent.
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| Factor | a number that divides into a whole number with a remainder of zero.
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| Fraction | a rational number expressed in the form a/b, where a is called the numerator and b is called the denominator.
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| Fractions | a rational number expressed in the form a/b, where a is called the numerator and b is called the denominator.
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| Frequency table | a table for organizing a set of data that shows the number of times each item or number appears.
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| Front end estimation | an estimation method in which the front digits are added or subtracted first, and then the digits in the next place value position are added or subtracted.
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| GCF | greatest common factor) - the greatest of the common factors of 2 or more numbers.
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| Graph | draw a dot at the location on the number line that corresponds to the integer.
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| Horizontal axis | the axis on which the categories are show in a bar or line graph
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| Integers | The set of whole numbers and their opposites {. . .-2, -1, 0, 1, 2. . .}.
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| Intervals | the difference between successive values on a scale
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| Key | a sample data point used to explain the stems and leaves.
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| LCM | (least common multiple) - the least of the common multiples of two or more numbers.
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| Least common denominator | the least common multiple of the denominators of two or more fractions.
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| Leaves | the units digit written to the right of a vertical line in a stem and leaf plot
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| Like fractions | fractions with the same denominators
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| Line graph | a graph used to show how a set of data changes over a period of time.
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| Mean | the sum of the numbers in a set of data divided by the number of pieces of data.
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| Measure of central tendency | a number that helps describe all of the data in a data set.
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| Median | the middle number in a set of data when the data is arranged in numerical order. If the data has an even number, the median is the mean of the two middle numbers.
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| Mode | number(s) or item(s) that appear most often in a set of data.
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| Model | to represent a mathematical situation with manipulatives, pictures, numbers or symbols
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| Multiple | the product of the number and any whole number.
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| Negative | Any number that is less than zero.
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| Number sentence | an equation or inequality expressed using numbers and common symbols
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| Numerator | the top number in a fraction.
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| Numerical expressions | a combination of numbers and operations.
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| Opposites | numbers that are the same distance from zero, but on opposite sides of zero.
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| Order of operations | the rules which tell which operation to perform first when more then one operation is used. Simplify the expressions inside the parenthesis Find the value of all powers Multiply or Divide from left to right Add or Subtract from left to right
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| Ordered pair | a pair of numbers used to locate a point in the coordinate plane. The ordered pair is written in this form: (x-coordinate, y-coordinate).
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| Origin | the point of intersection of the x-axis and y-axis in a coordinate plane, (0,0).
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| Outlier | a value that is much higher or lower than the other values in a set of data.
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| Pattern | a predictable or prescribed sequence of numbers, objects, etc.
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| Point | a specific location in space that has no discernable length or width.
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| Positive | Any number that is greater than zero.
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| Power | numbers expressed using exponents.
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| Prime factorization | a composite number expressed as a product of prime numbers.
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| Prime number | a whole number that has exactly 2 factors, one and the number itself
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| Quadrant | the four regions into which the two perpendicular number lines of a coordinate system separate the plane.
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| Range | the difference between the greatest number and least number in a set of data.
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| Rational Numbers | fractions, terminating/repeating decimals, and integers
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| Representations | physical objects, drawing, charts, words, graphs and symbols that help students communicate their thinking.
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| Scale | the set of all possible values of a given measurement, including the least and greatest numbers in a set, separated by the intervals used.
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| Scientific notation | a way of writing a number as the product of a number that is at least 1 but less than 10 and a power of ten.
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| Sequence | a list of numbers in a specifi order
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| Set | a finite or infinite of distinct objects in which order has no significance.
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| Simplest form | the form of a fraction when the GCF of the numerator and denominator is one.
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| Squared | a number multiplied by itself.
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| Statistics | the study of collecting, analyzing, and presenting data.
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| Stem- leaf plot | a system used to condense a set of data for the greatest place value of the data forms the stem and the next greatest place value forms the leaves.
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| Stems | the greatest place value common to all of the data that is written to the left of the line in a stem and leaf plot.
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| Table | Numbers or quantities arranged in rows and columns
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| Tally mark | a counter used to record items in a group.
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| Term | each number in a sequence
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| Venn diagram | a diagram which uses circles to display elements of different sets. Overlapping circles that show common elements.
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| Vertical axis | the axis on which a scale and interval are shown in a bar or line graph.
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| x-axis | the horizontal line in a coordinate plane.
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| X-coordinate | the first number of an ordered pair.
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| y-axis | the vertical line in a coordinate plane.
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| Y-coordinate | the second number of an ordered pair.
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| Approximate | a number or measurement that is close to or near its exact value
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| Centimeter | a metric unit of length. 100 cm
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| Combinations | an arrangement, or listing, of objects in which order is not important
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| Complimentary events | two events in which either one or the other must take place, but they cannot both happen at the same time. The sum of their probabilities is one,
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| Cross products | the products of the terms on the diagonals when 2 ratios are compared.
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| Cubic unit | standard measure of volume.
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| Cup | a customary unit of capacity equal to 8 fluid ounces.
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| Discount | the amount by which the regular price of an item is reduced
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| Equivalent ratios | two ratios that have the same value
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| Estimate | an educated guess for an unknown quantity or outcome based on known information.
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| Estimation | the use of rounding and/or other strategies to determine a reasonably accurate approximation, without calculating an exact answer.
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| Events | a special outcome or type of outcome.
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| Fluid ounce | a customary unit of capacity
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| Foot | a customary unit of length equal to 12 inches
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| Gallon | a customary unit of capacity equal to 4 quarts.
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| Gram | the basic unit of mass in the metric system.
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| Height | the length of the segment perpendicular to the base with endpoints on opposite sides
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| Hour | a commonly used unit of time. The are 60 minutes in a hour, and 24 hours in a day.
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| Inch | An inch is a measure of length, One inch is exactly 2.54 centimeters.
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| Independent events | two or more events in which the outcome of one event does not affect the outcome of the other event.
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| Interest | the amount of money charged for borrowing principal
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| Kilogram | a metric unit of mass, 1 kilogram
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| Kiloliter | A Metric measure of volume. Equal to 1,000 liters.
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| Kilometer | a metric unit of length, 1 kilometer
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| Length | a one-dimensional measure that is the measurable property of line segments
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| Liter | the basic unit of capacity in the metric system. A liter is a little more than a quart.
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| Meter | basic unit of length in the metric system.
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| Metric system | a decimal system of weights and measures.
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| Mile | a customary unit of length equal to 5,280 feet, or 1,760 yards.
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| Milligram | a metric unit of mass, 1000 milligrams
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| Millimeter | A Metric unit of length. There are 1,000 mm in one meter.
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| Minute | a commonly used unit of time, 60 seconds
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| Ounce | a commonly used unit of weight, 16 ounces
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| Outcome | possible results of a probability event.
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| Pint | a commonly used unit of capacity, 1 pint
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| Population | the entire group of item or individuals from which the samples under consideration are taken.
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| Pound | a customary unit of weight, 1 pound
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| Principle | the amount of an investment or a debt.
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| Probability | the chance that some event will happen.
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| Proportions | an equation that shows that 2 rations are equivalent.
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| Quart | a commonly used unit of capacity, 1 quart
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| Random sample | outcomes occur at random if each outcome is equally likely to occur.
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| Rates | a ratio that compares two quantities with different kinds of units
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| Ratios | A comparison of two numbers by division.
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| Sales tax | an additional amount of money charged on items that people buy.
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| Scale drawings | A drawing that is similar to an actual object, but is either enlarged or reduced.
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| Second | a commonly used unit of time, 60 seconds
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| Simple interest | the amount paid or earned for the use of money, (I
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| Survey | a question or set of questions designed to collect data about a specific group of people.
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| Ton | A unit of mass equal to 1,000 kilograms.
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| Tree diagram | a diagram used to show the total number of possible outcomes in a probability experiment.
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| Unit rate | a rate that has a denominator of 1.
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| Weight | measures that represent the force of gravity on an object; mass of an object remains the same regardless of its location. Weight of an object changes depending on the gravitational pull at its location.
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| Yard | a commonly used unit of length, 1 yard
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| Acute angle | an angle with a measure greater than 0degrees and less than 90 degrees .
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| Addition property of equality | sovling an equation by adding the same number from each number of the equation
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| Additive inverse | two integers that are opposites
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| Angle | two rays with a common endpoint form an angle.
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| Area | the number of square units needed to cover a surface
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| Associative property | the way in which numbers are grouped when added or multiplied does not change the sum or product
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| Base | the faces on the top and bottom of a 3-dimensional figure
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| Center | the given point from which all points on a sphere are the same distance
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| Circle Circumference | the distance around a circle
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| Commutative property | the order in which numbers are added or multiplied does not change the answer
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| Complimentary angle | two angles are complimentary if the sum of their .measures is 90
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| Congruent | having the same measure.
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| Degree | the most common unit of measure for angles.
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| Diameter | the distance around a circle through its center
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| Distributive property | combination of addition and multiplication
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| Division property of equality | divide each side of the equation by the same non-zero number. The two sides remain equal.
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| Formula | an equation that shows a relationship among certain quantities
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| Inverse operations | operations which undo each other
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| Length | a one-dimensional measure that is the measurable property of line segments
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| Line | a collection of an infinite number of points in a straight pathway with unlimited length and having no width.
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| Line of symmetry | that line that seperates the figure into 2 matching halves
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| Obtuse angle | and less thanan angle with a measure greater than 90 180
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| Perimeter | the distance around any closed figure
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| Pi | a nonterminating and nonrepeating number represented by 3.14
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| Plane | an infinite 2-dimensinal geometric surface defined by 3 non-linear points or 2-distances parallel or intersecting lines.
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| Polygon | A simple closed figure in a plane formed by three or more line segments.
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| Radius | the distance from the center to any point on a circle
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| Right angle | .an angle with a measure of 90
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| Rotational symmetry | a figure that can be turned or rotated less than 360 degrees about a fixed point so that the figure looks exactly as it did before being turned
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| Sides | a ray that is part of an angle.
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| Similar | Figures that have the same shape but not necessarily the same size. This symbol ~, means similar to.
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| Square | a rectangle with 4 congruent sides: also, a rhombus with 4 right angles.
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| Straight angle | .an angle with a measure greater than 180
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| Subtracting property of equality | solving an equation by subtracting the same number from each number of the equation
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| Supplementary angle | two angles are supplementary if the sum of their .measures is 180
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| Two dimensional figures | a figure having length and width.
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| Vertex | the common endpoint of the two rays that form an angle.
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| Width | the shorter length of a 2-dimensional figure.
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| Algebraic equations | An expression consisting of one or more numbers and variables along with one or more arithmetic operations.
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| Algebraic expressions | An expression consisting of one or more numbers and variables along with one or more arithmetic operations.
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| Coefficient | The numerical factor of a term.
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| Cone | a 3-dimensional figure with curved surfaces, a circluar base and one vertex
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| Cone | a 3-dimensional figure with curved surfaces, a circluar base and one vertex
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| Cylinder | a 3-dimensional figure with all curved surfaces, two circular bases and no vertices
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| Cylinder | a 3-dimensional figure with all curved surfaces, two circular bases and no vertices
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| Dimension | the number of coordinates used to express a position.
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| Edges | segments formed by intersecting faces of a 3-dimensional figure
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| Equation | A mathematical sentence stating that two expressions are equal.
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| Evaluate | Find the value of an expression
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| Expressions | A mathematical combination of numbers, variables, and operations.
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| Face | Any of the individual surfaces of a solid object
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| Function | a relationship where one thing depends on another
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| Function | a relationship where one thing depends on another
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| Function rule | describes the relationship between each input and output
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| Function rule | describes the relationship between each input and output
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| Function table | organinzing the input numbers, output numbers, and the funtion rule
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| Function table | organinzing the input numbers, output numbers, and the funtion rule
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| Inequality | a mathematical sentence that contains the symbol greater than, less than, greater than or equal, and less than or equal
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| Inequality | a mathematical sentence that contains the symbol greater than, less than, greater than or equal, and less than or equal
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| Inequality | a mathematical sentence that contains the symbol greater than, less than, greater than or equal, and less than or equal
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| Lateral faces | the sides of a 3-dimensional figure
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| Linear equation | an equation for which the graph is a straight line
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| Linear equation | an equation for which the graph is a straight line
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| Linear functions | a relationship between two variables such that for a fixed change in one variable, there is a fixed change in the other variable. (e.g. f(x)
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| Linear functions | a relationship between two variables such that for a fixed change in one variable, there is a fixed change in the other variable. (e.g. f(x)
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| Prism | a 3-dimensional figure that has 2 parallel and congruent bases in the shape of polygons, and at least 3 lateral faces shaped like rectangles
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| Prism | a 3-dimensional figure that has 2 parallel and congruent bases in the shape of polygons, and at least 3 lateral faces shaped like rectangles
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| Pyramid | a solid figure that has a polygon for a base and triangles for sides
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| Pyramid | a solid figure that has a polygon for a base and triangles for sides
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| Rule | a general statement written in numbers, symbols, or words that describes how to determine any term in a pattern or relationship.
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| Rule | a general statement written in numbers, symbols, or words that describes how to determine any term in a pattern or relationship.
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| Sphere | a 3-dimensional figure with no faces, bases, edges, or vertices
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| Surface area | the sum of the areas of all the faces of a prism
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| Term | each number in a sequence
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| Three dimensional figures | shapes that have length, width, or depth (height)
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| Two-step equations | work backward using the reverse of order of operations
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| Two-step equations | work backward using the reverse of order of operations
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| Two-step equations | work backward using the reverse of order of operations
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| Variable | A letter or other symbol used to represent an unspecified number or value.
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| Vertices | the points where edges intersect on a 3-dimensional figure
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| Volume | the amount a space inside a 3 dimensional figure
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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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