G4 CCSS Math Vocabulary
Terms in this set (...)
an angle with a measure less than 90 degrees
to combine, to put together two or more quantities
any number being added
problems that ask how much more or less one amount is than another
a step-by-step method for computing
two rays that share an endpoint
The measure of the size of an angle. It tells how far one
side is turned from the other side. A one degree angle turns through 1/360 of a full circle.
Part of a circle between any two of its points
The measure, in square units, of the inside of a plane figure
A model of multiplication that shows each place value product
An arrangement of objects in equal rows
Associative Property of Addition
Changing the grouping of three or more addends does not change the sum
Associative Property of Multiplication
Changing the grouping of three or more factors does not change the product
A characteristic of an object, such as color, shape, size, etc
Fractions that are commonly used for estimation
Capacity refers to the amount of liquid a container can hold
A metric unit of length equal to 0.01 of a meter
A plane figure with all points the same distance from a fixed point called
To sort into categories or to arrange into groups by attributes
For two or more fractions, a common denominator is a common multiple of the denominators
Commutative Property of Addition
Changing the order of the addends does not change the sum
Commutative Property of Multiplication
Changing the order of the factors does not
change the product
To decide if one number is greater than, less than, or equal to
Used to represent larger and smaller amounts in a comparison situation. Can be used to represent all four operations. Different lengths of bars are drawn to represent each number
To put together components or basic elements
A number greater than 0 that has more than two different
Having exactly the same size and shape
A customary unit of capacity. 1 cup = 8 fluid ounces
A system of measurement used in the U.S. The system includes
units for measuring length, capacity, and weight
A collection of information gathered for a purpose. Data may be in the form of either words or numbers
A number with one or more digits to the right of a decimal point
A fractional number with a denominator of 10 or a power of 10. Usually written with a decimal point
A number containing a decimal point
A dot (.) separating the whole number from the fraction in decimal notation
To separate into components or basic elements
degree (angle measure)
A unit for measuring angles. Based on dividing one complete circle into 360 equal parts
The quantity below the line in a fraction. It tells how many equal parts are in the whole
A tool used to measure and draw angles.
A customary unit of capacity. 1 ______ = 2 pints or 1 _____ = 4 cups
The answer to a division problem.
The difference between the greatest number and the least number in a set of data.
A part of a line that has one endpoint and goes on forever in one direction.
An answer that is based on good number sense.
________ addition and subtraction facts or _______ multiplication and division facts. Also called fact family.
The amount left over when one number is divided by another.
An angle that measures exactly 90º.
A triangle that has one 90º angle.
round a whole number
To find the nearest ten, hundred, thousand, (and so on).
One sixtieth of a minute. There are 60 _______ in a minute.
A set of numbers arranged in a special order or pattern.
When a fraction is expressed with the fewest possible pieces, it is in ______ ______. (Also called lowest terms.)
To express a fraction in simplest form.
A unit, such as square centimeter or square inch, used to measure area.
A common or usual way of writing a number using digits.
An operation that gives the difference between two numbers.
The answer to an addition problem.
One of the equal parts when a whole is divided into 10 equal parts.
A duration of a segment of time.
Having length and width. Having area, but not volume. Also called a plane figure.
A fraction that has 1 as its numerator.
_________ that are not equal.
A letter or symbol that represents a number.
The point at which two line segments, lines, or rays meet to form an angle.
The number of cubic units it takes to fill a figure.
The measure of how heavy something is.
____ ______ are zero and the counting numbers 1, 2, 3, 4, 5, 6, and so on.
A way of using words to write a number.
A customary unit of length. 1 _____ = 3 feet or 36 inches.
Zero Property of Multiplication
The product of any number and zero is zero.
_________ in two or more fractions that
are the same.
A set of connected points continuing without end
in both directions.
line of symmetry
A line that divides a figure into two congruent halves
that are mirror images of each other.
A diagram showing frequency of data on a number line.
A part of a line with two endpoints.
line symmetric figures
Figures that can be folded in half and its two parts match
The basic unit of capacity in the metric system.
1 ____ = 1,000 milliliters
When a fraction is expressed with the fewest possible pieces, it is in _____ ____. (Also called simplest form.)
The amount of matter in an object.
A standard unit of length in the metric system
A system of measurement based on tens. The basic unit of
capacity is the liter. The basic unit of length is the meter. The basic unit of mass is the gram.
A customary unit of length.
1 ____ = 5,280 feet
A metric unit of capacity.
1,000 _______ = 1 liter
A metric unit of length.
1,000 __________ = 1 meter
One sixtieth of an hour or 60 seconds.
A number that has a whole number (not 0) and a fraction.
A product of a given whole number and any other whole number.
Compare by asking or telling how many times more one
amount is as another. For example, 4 times greater than.
The operation of repeated addition of the same number.
A diagram that represents numbers as points on a line.
The number written above the line in a fraction. It tells how many equal parts are described in the fraction.
An angle with a measure greater than 90º but less than 180º.
Order of Operations
A set of rules that tells the order in which to compute.
A customary unit of weight equal to one sixteenth of a pound. 16 _________ = 1 pound
Lines that are always the same distance apart. They do not intersect.
Used in mathematics as grouping symbols for operations.
A repeating or growing sequence or design. An ordered set of numbers or shapes arranged according to a rule.
The distance around the outside of a figure.
In a large number, periods are groups of 3 digits separated by commas or by spaces.
Two intersecting lines that form right angles.
A customary unit of capacity. 1 ______ = 2 cups
The value of the place of a digit in a number.
A two-dimensional figure.
The exact location in space represented by a dot.
A customary unit of weight. 1 _______ = 16 ounces.
A whole number greater than 0 that has exactly two different factors, 1 and itself.
The answer to a multiplication problem.
Any of the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.
The amount that remains after one quantity is subtracted
When one of the factors of a product is a sum, multiplying
each addend before adding does not change the product.
To separate into equal groups and find the number in each group or the number of groups.
A number that is divided by another number.
The number by which another number is divided.
A point at either end of a line segment, or a point at one end of a ray.
Having the same value.
A mathematical sentence with an equals sign. The amount on one side of the equals sign has the same value as the amount on the other side.
Fractions that have the same value.
To find a number close to an exact amount, an
estimate tells about how much or about how many.
To find the value of a mathematical expression.
A way to write numbers that shows the place value of each digit.
A mathematical phrase without an equal sign.
A group of related facts that use the same numbers.
Also called related facts
The whole numbers that are multiplied to get a product.
A set of two whole numbers when multiplied, will result in a
A customary unit of length. 1 ____ = 12 inches
A rule that is written as an equation.
A way to describe a part of a whole or a part of a group by
using equal parts.
A table that lists pairs of numbers that follow a rule.
A customary unit of capacity. 1 ____ = 4 quarts
The standard unit of mass in the metric system.
1,000 ______ = 1 kilogram
________ ____ is used to compare two numbers when the first number is larger than the second number.
A unit of time. 1 ____ = 60 minutes. 24 _____ = 1 day
One of the equal parts when a whole is divided into 100
In the decimal numeration system, __________ is the name
of the next place to the right of tenths.
Identity Property of Addition
If you add zero to a number, the sum is the same as that
Identity Property of Multiplication
If you multiply a number by one, the product is the same
as that number.
A term for a fraction whose numerator is greater than or
equal to its denominator.
A customary unit of length.
12 _______ = 1 foot
Lines that cross at one point.
Operations that undo each other.
A metric unit of mass equal to 1000 grams.
A metric unit of length equal to 1000 meters.
How long something is. The distance from one
point to another.
____ ____ is used to compare two numbers when the first number is smaller than the second number.
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