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Math Vocabulary - Grade 3
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Gravity
Iredell-Statesville Math Vocabulary grade 3
Terms in this set (38)
Angle
a figure formed by two (2) rays that have the same endpoint
Capacity
the volume of a container measured in liquid units
Mass
a measure of the amount of matter in an object
Probability
the chance of event will happen
Multiplication
an operation that gives you the total number when you put together equal groups;
factor times factor = product
Product
the answer to a multiplication problem
Quotient
the answer to a division problem
Division
an operation that tells how many equal groups there are or how many are in each group
Elapsed time
total amount of time that passes from the beginning time to the ending time
Metric
a decimal system of weights and measures that uses the gram, meter and liter as units of weight, distance and capacity
Equivalent
numbers that name the same part of a set, same location on a number line, or fractions that name the same part of a whole
Value
what a number is worth in place value; the value of the place a digit has in a number
Array
a way of displaying objects in rows and columns
Quarter 'til/of
15 minutes until the hour
Identity (One) Property of Multiplication
the product of any number and 1 is that number
Identity (Zero) Property of Addition
the sum of any number and zero is that same number
Commutative (Order) Property of Addition
numbers can be added in any order and the sum will be the same
6 + 11 = 11 + 6
Associative (Grouping) Property of Addition
the grouping of addends can be changed and the sum will be the same
7 + (13 + 4) = (7 + 13) + 4
Associative (Grouping) Property of Multiplication
the grouping of factors can be changed and the product will be the same
(3 x 2) x 4 = 3 x (2 x 4)
Perpendicular
two lines that intersect to form right angles
Parallel lines
lines that never intersect
Intersecting lines
lines that cross at one point
number line
a line that shows numbers in order using a scale
Multiple
the product of the number and any other whole number
Example: 0, 4, 8, 12, and 16 are multiples of 4.
Increase
a process of becoming larger, longer or more numerous
Decrease
to become less in number
Factors
numbers that are multiplied together to get a product
Variable
a symbol (like X or Y) that is used in a mathematical expression or number sentence to represent an unknown quantity or number
Order of Operations
the order in which operations in an expression is to be evaluated; Please Excuse My Dear Aunt Sally: 1. parentheses 2. exponents 3. multiplication and divison 4. addition and subtraction from left to right
Ordered Pair
two numbers used to name a point on a coordinate grid
Mixed Number
a number with a whole number and a fraction
3 1/2
Improper Fraction
a fraction in which the numerator is greater than or equal to the denominator
Estimation
stating an approximate number or answer
Lateral Surface
in a cylinder, the curved surface connecting the circular bases; in a cone, the curved surface that is not a base
Vertex
the point where two (2) rays meet to form an angle
3-D Shape
an object having three dimensions - length, height, and width
Word Form
a number written in words
Example: 9,325 means nine thousand, three hundred twenty-five
Customary
a system of measurement used in the United States; inch, foot, used to measure length, and gallon for capacity are examples
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Verified questions
VOCABULARY
From the list below, supply the words needed to complete the paragraph. Some words will not be used. retinue, prate, cliche, unfettered, conscript, extol, impute. There were few volunteers among Captain Hawley's crew of privateers; the captain _____ most of them, giving them the choice of sinking with their plundered ships or joining his crew. England _____ Hawley in at least ten acts of piracy, but never captured him. Like most privateers, Hawley was _____ of the traditional maritime laws and could thus choose his targets freely. Traitors among Hawley's crew often _____ secretly about mutiny, but it would have been almost impossible to fight past the captains personal _____ of trusted officers.
VOCABULARY
According to paragraph 5, which of the following helped the novel to become popular? A.inexpensive publishing B. the Communists C. a more Iterate population D. coal mining ink production techniques
VOCABULARY
From the list below, supply the words needed to complete the paragraph. Some words will not be used. $$ \begin{matrix} \text{paean} & \text{delete} & \text{oust} & \text{mendicant}\\ \text{cache} & \text{oscillate} & \text{palpable}\\ \end{matrix} $$ In the late afternoon, Marvin opened the bottom drawer of his desk to reveal a[n] _______ of snack cakes and little bags of potato chips. He helped himself to _______ any old ones that were just taking up space on the computer's hard drive. A heavy fan ______ in the comer of the office, causing self-adhesive notes and thumb-tacked comic strips to flap around in the breeze every few seconds. Next to the fan was a tied trash bag full of empty aluminum soda cans for Joe, a[n] _______ who lived in the alley behind the magazine publisher, Joe, who chose the streets over shelters, inspired many people at the office, and he had no idea that Marvin's next article was going to be a[n] _______ to the homeless who have learned to sustain themselves despite their austere living conditions.
VOCABULARY
Study the entries and answer the questions that follow. The root fort means "strong." The root graph means "writing." The root gen means "born," "to produce," or "kind" (type). The prefix mono means "one." A group of people born within a certain time period is a[n] _____. Your _____ will determine what physical traits you have.