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Badin 4th Grade Math

Terms in this set (40)

sum
the answer to an addition problem
difference
the answer to a subtraction problem
addend
any number being added
digit
any of the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8,or 9 used to write all other numbers
place value
the value of a digit based on its position in a number
period
a group of three places in a number, usually separated by a comma
standard form
writing a number using digits
expanded form
a way to write numbers that shows the place value of each digit
word form
Using words to write a number.
rounding
to find the nearest ten, hundred, thousand, etc
estimate
a number close to an exact number; it tells about how much or how many
compose
to make something by combining or putting together
decompose
to separate or take apart
compare
to decide if a number is greater than, less than, or equal to another number
multiply
the operation of repeated addition on the same number
factor
numbers that are multiplied together to get a product
product
the answer to a multiplication problem
array
an arrangement of objects in equal rows
multiple
a product of a given whole number and any other whole number
prime number
a number greater than 0 that has exactly 2 factors, 1 and itself
composite number
a number greater than 0 that has more than 2 different factors
algorithm
a step by step method for computing
divide
to separate into equal groups to find the number in each group or the number of groups
quotient
the answer to a division problem
dividend
the number being divided
divisor
a number that divides into another number
area
the measure in square units of the inside of a plane figure
perimeter
The distance around a figure
square unit
a unit used to measure area
denominator
the bottom number in a fraction that tells the total parts in the whole
numerator
the top number in a fraction that usually tells the number of parts shaded
unit fraction
a fraction that tells one part of the whole
improper fraction
a fraction that represents more than a whole
point
an exact location
line
a straight path of points that goes on and on in both directions
line segment
part of a line that has two endpoints
ray
part of with one endpoint and goes on and on in one direction
intersecting lines
lines that pass through the same point
parallel lines
lines that never intersect
perpendicular lines
lines that form right angles
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