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January-4th Math Vocab Set 1
Vocab Words 1-16
24
Mathematics
4th Grade
01/11/2011

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Term
Addend
Definition
A number that is added in an additon problem
Term
Angle
Definition
A corner formed by two intersecting lines or segments
Term
Area
Definition
The number of squares of a certain size that it takes to cover a given surface
Term
Bar Graph
Definition
A graph that uses bars to show the information
Term
Average
Definition
The number that would be in each group if the items were rearranged so that each group had the same number of items
Term
Century
Definition
One Hundred Years
Term
Chance
Definition
The Likelihood that something will happen. This is written as a percentage
Term
Circle Graph
Definition
Also a pie chart. It is a circular chart divided into sectors, each sector shows the relative size of each value.
Term
Circumference
Definition
The distance around a circle
Term
Common Denominators
Definition
Two fractions have common denominators if the denomiators are equal
Term
Common Years
Definition
The years with 365 days
Term
Congruent
Definition
Figures with the same shape and size
Term
Counting numbers
Definition
The numbers in this sequence: 1, 2, 3, 4, 5, 6, 7...
Term
Decade
Definition
Ten years
Term
Decimal Point
Definition
A dot used to separate teh whole part of a decimal number from the fractional part of the decimal number
Term
Denominator
Definition
The bottom number of a fraction. This number tells the number of parts in the whole.
Term
Acute Angle
Definition
An angle that is less than 90 Degrees
Term
Concentric Circles
Definition
Circles that have the same center but are different lengths across.
Term
Congruent
Definition
Having the same size and shape
Term
Diameter
Definition
A line segment that passes through the center of a circle or sphere and has an endpoint on the same circle or sphere
Term
Difference
Definition
The results of subtracting one number form another
Term
Digit
Definition
One of hte number symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 in the standard, base-ten system
Term
Divisor
Definition
In division, the number that divides another number
Term
Dividend
Definition
The number in division that is being divided.
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