Math Vocabulary 5th grade
Terms in this set (155)
Any digit being added.
A model of multiplication that shows each place value product within a rectangle drawing.
An arrangement of objects in equal rows
The measure, in square units, of the interior region of a 2-dimensional figure or the surface of a 3-dimensional figure.
associative property of multiplication
The product stays the same when the grouping of factors is changed. (a x b) x c = a x (b x c), where a, b, and c stand for any real numbers.
An angle with a measure less than 90 degrees
two rays that share an endpoint
A graph that uses the height or length of rectangles to compare data.
associative property of addition
The sum stays the same when the grouping of addends is changed (a+b) + c = a + (b + c), where a, b, and c stand for any real numbers.
A step - by - step method for computing
A characteristic e.g. size, shape, or color
Having exactly the same size and shape
commutative property of multiplication
The product stays the same when the order of the factors is changed. a x b = b x a, where a and b are any real numbers.
A system of measurement used in the US. The system included units for measuring length, capacity, and weight.
commutative property of addition
The sum stays the same when the order of the addends is changed. a + b = b + a, where a and b are any real numbers.
A type of grouping symbol used in pairs that tells what operation to complete first.
Fractions that are commonly used for estimation
For two or more fractions, a common denominator is a common multiple of the denominators.
The quantity below the line in a fraction. It tells how many equal parts are in the whole.
The amount that remains after one quantity is subtracted from another.
A quantity to be divided.
Any of the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9.
A rectangular solid having six congruent square faces.
The quantity by which another quantity is to be divided.
line plot or dot plot
Also known as a data plot. A diagram showing frequency of data on a number line.
To find a number close to an exact amount; an estimate tells about how much or about how many.
An integer that divides evenly into another.
A decimal that contains a terminating number of digits. (Also called a terminating decimal.)
Naming the same number.
Fractions that are the same amount but are divided into different size pieces.
A group of numbers and symbols that represents a mathematical relationship.
To find the value of a mathematical expression.
A way of representing part of a whole or part of a group by telling the number of equal parts in the whole and the number of parts you are describing.
refers to the amount of liquid a container can hold
To sort into categories or to arrange into groups by attributes.
A customary unit of capacity.
1 cup = 8 fluid ounces
A fractional number with a denominator of 10 or power of 10. usually written with decimal point.
A dot (.) separating the whole number from the fraction in decimal notation.
A way to write numbers that shows the place value of each digit.
A number greater than 0 that has more than two different factors.
A fractional number with a denominator of 10 or a powder of 10. Usually written with a decimal point.
A set of two numbers when multiplied, will result in a given product.
A pictorial device used to show a numerical relationship.
A general equation or rule. You can use a formula to find volume formula to find volume in a rectangular prism.
A fraction where the numerator is greater than or equal to the denominator.
Line going left to right, like the horizon
A customary unit of length. 1 foot = 12 inches
A customary unit of capacity.
1 gallon = 4 quarts
One of the equal parts when a whole is divided into 100 equal parts
least common multiple
LCM. The smallest common multiple of a set of two or more numbers.
A whole number and a fraction.
A product of a whole number and any whole number.
A part of a map, graph, or chart that explains what the symbols mean
A metric unit of mass equal to 1000 grams.
least common denominator (LCD)
is the smallest whole number that is divisible by each of the denominators. of two or more fractions
In the decimal numeration system, hundredths is the name of the next place to the right of tenths.
Operations that undo each other.
How long something is. The distance from one point to another. Length is measured in units such as inches, feet, centimeters, etc.
A pair of numbers that gives the coordinates of a point on a grid in this order (horizontal coordinate, vertical coordinate).
When a fraction is expressed with the fewest possible pieces, it is in lowest terms. (Also called simplest form.)
A metric unit of capacity.
1000 milliliters = 1 liter.
Lines that cross at a point.
A metric unit of length equal to 1000 meters.
Denominators in two or more fractions that are the same.
The basic unit of capacity in the metric system.
1 liter = 1000 milliliters
A customary unit of length.
1 mile = 5280 feet
A metric unit of length.
1000 millimeters = 1 meter
The amount of matter in an object. Usually measured by comparing with an object of known mass. While gravity influences weight, it does not affect mass.
order of operations
An order, agreed on by mathematicians, for performing operations to simplify expressions.
Lines that are always the same distance apart.
parentheses ( )
Used in mathematics as grouping symbols for operations. When simplifying an expression, the operations within the parentheses are performed first.
A polygon that has five sides.
An angle with a measure greater than 90 degree but less than 180 degree
The number written above the line in a fraction. It tells how many equal parts are described in the fraction.
A diagram that represents numbers as points on a line.
A quadrilateral with two pairs of parallel and congruent sides.
A repeating or growing sequence or design. An ordered set of numbers or shapes arranged according to a rule.
The distance around a figure.
A 3-dimensional figure that has two congruent and parallel faces that are polygons. The remaining faces are parallelograms.
Two intersecting lines that form right angles.
A two - dimensional figure.
A closed plane figure made by line segments.
A customary unit of weight equal to one sixteenth of a point. 16 ounces = 1 pound
The value of the place of a digit in a number
The answer to a multiplication problem.
A four sided polygon
The answer to a division problem.
A fraction less than one. In a proper fraction the numerator is less than the denominator.
The number that is left over after a whole number is divided equally by another.
A quadrilateral with all four sides equal in length.
scale (on a graph)
The numbers that show the units on a graph.
A set of numbers arranged in a special order or pattern
A customary unit of capacity. 1 pint = 2 cups
A quadrilateral with two pairs of congruent, parallel sides and four right angles.
A fraction is in simplest form when the greatest common factor of the numerator and denominator is 1.
To strategy to find about how much or how many by expressing a number closest to ten, hundred, thousand, or tenth, hundredth, thousandth, etc.
side of a polygon
Any of the line segments that form a polygon.
An angle that is exactly 180 degrees - a straight line
A number written with one digit for each place value.
A unit, such as square centimeter or square inch, used to measure area.
An operation that gives the difference between two numbers. Subtraction can be used to compare two numbers, or to find our how much is left after some is taken away.
3-D. Existing in 3 dimensions; having length, width, and height.
A triangle that has one 90 degree angle.
A parallelogram with four equal angles AND four equal sides.
The result of addition.
An organized way to list data. Tables usually have rows and columns of data.
An angle that measures exactly 90 degrees/
one of 1000 equal parts of a whole.
A quadrilateral with one pair of parallel sides and one pair of sides that are not parallel.
A fraction that has 1 as its numerator.
A point at which two or more sides of a geometric figure meet.
Vertices is plural of vertex.
Whole numbers are zero and the counting numbers 1, 2, 3, 4, 5, 6, and so on. If a number has a negative sign, a decimal point, or a part that's a fraction, it is not a whole number.
A mathematical sentence that compares two unequal expressions using one of the symbols <, >. or ≠. ex: 26 > 13; 13 < 26; 2 + 4 < 6 + 3
To state in advanace on the basis of observation, experience, or scientific reason.
A polygon with three sides and three angles
Having length and width. Having area, but not volume. Also called a plane figure.
The number of cubic units it takes to fill a figure.
To meet or cross.
A customary unit of length. 1 yard = 3 feet or 36 inches
A standard unit of length in the metric system.
base of a solid figure
A base of a solid figure is usually thought of as a face upon which it can "sit." Most solid figures have more than one base.
The place where two flat surfaces of a solid figure meet.
The chance that a particular outcome will occur, measured as a ratio of the total possible outcomes.
a line segment that passes through the center of the circle with endpoints on the circle.
The operation of repeated addition of the same number.
A flat surface on a solid figure.
greatest common factor
GCF The largest factor of two or more numbers.
A table that lists a set of numbers or categories and their frequency (how many times each one occurs)
to put or leave someone or something in a particular place , often to put money in a bank account
A line going up and down
When both sides have the same quantity or mass
to remove or take away something in a particular place , often to remove money from a bank account
A collection of information
A unit such as a cubic meter to measure volume or capacity.
A customary unit of weight.
1 pound = 16 ounces.
A customary unit of capacity.
1 quart = 2 pints
1 quart = 4 cups
To express a fraction in simplest form.
A precisely fixed quantity used to measure volume.
A letter or symbol that represents a number.
In the decimal numeration, tenths is the name of the place to the right of the decimal point.
the name of the next place to the right of hundredths in the decimal numeration system.
A whole number greater than 0 that has exactly two different factors, 1 and itself.
One sixtieth of a minute. There are 60 seconds in a minute.
One of the equal parts when a whole is divided into 10 equal parts.
Denominators that are not equal.
A reference line from which distances or angles are measured in a coordinate grid. (plural - axes)
an item being sold
where the x axis and y axis meet (0,0)
a plan for your money that shows both income and expenses
tax on items sold, tax on retail
taxes taken from an individual's gross income like Social Security, Federal Taxes. etc.
an individual's salary, or income, before taxes are deducted.
an individual's earnings, or salary, AFTER taxes, insurance, and other expenses are taken out.
to take out
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