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5th Grade Math Vocabulary Blake
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Gravity
Terms in this set (83)
billion
1,000,000,000
decimal point
A dot that separates whole numbers from tenths and hundredths.
hundredths*
The second place value after a decimal point. Is the second largest decimal value. It takes 100 hundredths to make a whole.
millions
a very large number
tenths
The first place value after a decimal point.
expanded notation*
A way of writing numbers in which the numbers are written to show the place value of each digit (639 = 600 + 30 + 9)
hundreds
The numbers in the range of 100-999.
place value*
The value of each digit in a number based on the location of the digit
inequality
A statement that compares two quantities using <, >, ≤,≥, or ≠
least to greatest*
To put numbers in order from the smallest number to the largest number
less than
Less than is used to compare two numbers when the first number is smaller than the second number.
identity property
the sum of any number and 0 is that number the product of 1 and any number is that number
hundredths
The place to the right of tenths
improper fraction
a fraction whose numerator is larger than the denominator
mixed number
a whole number and a fraction
denominator*
The bottom number in a fraction
equivalent fraction
different fractions that are equal in value
numerator
the top number in a fraction
simplified form
numerator and denominator have no common factors
common denominator*
A denominator that is the same in two or more fractions.
lowest common denominator
The smallest number that both denominators can be divided into evenly.
benchmark fraction
Fractions that are commonly used for estimation.
difference
...
sum
The result of addition.
unit fraction
A fraction that has 1 as its numerator.
compatible number
numbers that are easy to compute mentally
estimate*
A number that is not exact; a careful guess.
area model
a rectangular grid formed from square units
array
An arrangement of objects in equal rows.
associative property
The way in which numbers are grouped does not change their sum or product
commutative property
a+b=b+a
distributive property
a(b + c) = ab + ac
factor
a number that is multiplied by another number to find a product
partial products
Parts of the answer to a multiplication problem
remainder
the amount left over when a number cannot be divided equally
acute angle
less than 90 degrees
angle*
two rays with a common endpoint
congruent
Having the same measure
intersecting lines*
lines that cross at one point
line of symmetry*
a line that divides a figure into two halves that are mirror images of each other
line segment*
a part of a line that has two endpoints
obtuse angle*
An angle between 90 and 180 degrees
parallel lines*
lines in the same plane that never intersect
perpendicular lines*
Two lines that intersect to form right angles
point*
an exact location in space
ray*
a part of a line that starts at an endpoint and extends forever in one direction
right angle*
90 degree angle
adjacent angle
Angles that have a common side and a common vertex (corner point).
angle vertex
the point of intersection of its two sides
center mark
Line dividing the service area into two halves.
degree*
unit of measurement
inner scale
The inner set of reading on a protractor used for measuring angles.
outer scale
outer set of readings on a protractor
protractor*
A tool used to measure angles
dimensions*
measurements
length*
Distance between two points
perimeter*
The distance around a figure
square unit
A unit for measuring area
width
The measurement or extent of something from side to side.
certificate of deposit
a certificate issued by a bank to a person depositing money for a specified length of time.
fixed expense*
expenses which stay basically the same from month to month, such as housing and transportation.
money market fund
a savings-investment plan offered by investment companies, with earnings based on investments in various short-term financial instruments
savings bond
a bond issued by the government and sold to the general public.
variable expense*
an expense that changes from month to month
borrow*
To receive for temporary use
deposit
to put money into an account
interest*
A sum paid or charged for the use of money or for borrowing money
saving
setting aside money for future use
spending
Using money to purchase goods and services
withdrawal
amount of money taken from a bank account
cost
the price of something
expense
Money spent
profit*
The financial gain made in a transaction
bracket
...
equivalent expression
...
order of operations
...
axis/axes
the horizontal (x-axis) and vertical (y-axis) number lines on a coordinate plane
coordinate
a number that identifies a position relative to an axis
coordinate plane
A plane that is divided into four regions by a horizontal line called the x-axis and a vertical line called the y-axis.
ordered pair
A pair of numbers that can be used to locate a point on a coordinate plane
Origin (0,0)
The center of the 4 quadratic grid
point
A location in space.
quadrant
one of four sections into which the coordinate plane is divided
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