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MCAS Math MCAS Math TermsTerms
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AddAdd The process of finding the total number of items when two or more groups of items are joined; the opposite operation of subtraction
3 + 2 = 5
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AddendAddend A number that is added to another in an addition problem
2 + 3 = 5The addends are 2 and 3
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Sum The answer to an addition problem
12 + 7 = 19The sum is 19.
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SubtractSubtract The process of finding how many are left when a number of items are taken away from a group of items; the process of finding the difference when two groups are compared; the opposite operation of addition
6 – 2 = 4
DifferenceDifferenceThe answer in a subtraction problem
8 - 5 = 33 is the difference.
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MultiplyMultiply The process of finding the total number of items in equal-sized groups, or of finding the total number of items in a given number of groups when each group contains the same number of items; Multiplication is the inverse of division.
3 x 4 = 12
ProductProductThe answer to a multiplication problem.
6 x 2 = 12 The product is 12.
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DividDividee
The process of sharing a number of items to find how many groups can be made or how many items will be in each group; the opposite operation of multiplication
6 ÷ 3 = 2
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QuotiQuotientent
The number, not including the remainder, that results from dividing
35 ÷ 5 = 7 The quotient is 7.
RemainderRemainderThe amount left over when a number cannot be divided equally
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FactorFactorss
A number that is multiplied by another number to find a product
MultiplMultiplee The product of a given whole
number and another whole number
4 x 7 = 28 The factors are 4 and
7.
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RegroRegroupup
To exchange amounts of equal value to rename a number
ComputeCompute To add, subtract, multiply or divide in order to solve a problem
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CircleCircle A closed plane figure with all points on the figure the same distance from the center
SphereSphere A solid figure that has the shape of a round ball; all points are the same distance from the center
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ConeCone A solid figure that has a circular base and one vertex
CylinderCylinder A solid figure that has two parallel bases that are congruent circles
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Square
A rectangle with 4 equal sides
A parallelogram with four right angles
Rectangle
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Triangle A polygon with three sides
A solid figure with a polygon base and all other faces triangles that meet at a common vertex
Pyramid
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Faces A polygon that is a flat surface of a solid figure
Angles A figure formed by two rays that have a common endpoint
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Plane Figure
A figure in a plane that is formed by lines that are curved, straight, or both
Parallel LinesLines in a plane that never intersect
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Chart
Information collected about people or things
Data
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Data Organizer
Graph
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Grid
Array An arrangement of objects in rows and columns
Evenly divided and equally spaced squares on a figure or flat surface
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Ordered Pairs
A pair of numbers used to locate a point on a coordinate grid. The first number tells how far to move horizontally, and the second number tells how far to move vertically.
Example:
(1,2) represents 1 unit to the right of zero and 2 units up.
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Plot
Survey A method of gathering information about a group
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Digit Any one of the ten symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9 used to write numbers
Whole Number One of the numbers 0, 1, 2, 3, 4, . . . The set of whole numbers goes on without end
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Fewest Least Most
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Greater ThanA symbol used to compare two numbers, with the greater number given first
8 > 68 is greater than 6
Less Than
A symbol used to compare two numbers, with the lesser number given first
6 < 86 is less than 8
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Equal
Equivalent Having the same value or naming the
same amount
Equals means the same as.
Q u ic k T ime ™ a n d aT IF F (U n c o mp re s s e d ) d e c o mp re s s o ra re n e e d e d to s e e th is p ic tu re .
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Number Line A line with equally spaced tick marks named by numbers
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Average The number found by dividing the sum of a set of numbers by the numbers of addends
Estimate To find a number that is close
to an exact amount
32 x 9 x 30 x 10 = 300 estimate
32 x 9 is about 300.
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Amount
Value
Sign
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Number Sentence
Equation
A sentence that includes numbers, operation symbols, and a greater than or less than symbol or an equal sign
5 + 3 = 8
A number sentence which shows that two quantities are equal
9 - 3 = 6
n + 7 = 15
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Pattern2, 4, 6, 8, 10…..
Relationship A set of ordered pairs
(5,1) (10,2) (15,3) (20,4) (25,5)
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Rule
The rule is add 2.
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Area
Perimeter
The number of square units needed to cover a surface The area is 9 square units.
The distance around a figure 2 cm + 3 cm + 3 cm = 8 cmThe perimeter of this figure is 8 centimeters.
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BorrowingCarrying
To exchange amounts of equal value to rename a number - Regrouping
22 = 2 tens 2 ones or 1 ten 12 ones
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Column Row A ROW is defined as the horizontal
space that is going across the window
A COLUMN is defined as the vertical space that is going across the window
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Angles
Right
ObtuseAcute
An angle that has a measure greater than a right angle (greater than 90°)
An angle that has a measure less than a right angle (less than 90°)
An angle that forms a square corner and has a measure of 90°
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Graphs
Line
Bar
Circle
A graph that uses bars to show dataA graph that uses horizontal or vertical bars to display countable data
A graph the shows how parts of the data are related to the whole and to each other
A graph that uses a line to show how data change over time