38 terms

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place value
The value of the position of a digit in a number
remainder
The amount left over when one number is divided by another.
order of operations
PEMDAS
fraction to decimal
divide the numerator by the denominator
decimal to fraction
.9 = 9/10 say outloud
improper fraction
a fraction whose numerator is larger than the denominator
mixed number
A number represented by a whole number and a fraction
comparing fractions
find a common denominator - or change both to decimals
comparing decimals
Line up the numbers and fill in the missing zeros
add/subtract the numerators and keep the denominator the same
find common denominators first
line up the decimal points, then add or subtract
dividing decimals
bring the decimal up, and add zeros if needed
multiplying decimals
Ignore the decimal point until the answer. Count the number of Decimal places in both factors. Use that number of decimal places to write the answer.
ordered pairs
Pairs of numbers (x,y) that can represent a point in a coordinate plane.
associative property
Changing the grouping of numbers will NOT change the value. For example: (7 + 4) + 8 = 7 + (4 + 8) also works with multiplication
distributive property
a(b + c) = ab + ac
expression
A mathematical phrase without an equal sign
equation
A mathematical sentence that contains an equals sign.
greater than
>
less than
<
greater than or equal to
comparison can be greater than or equal to
less than or equal to
comparison can be less than or equal to
edge of a prism
The line along which two surfaces of a solid meet.
face of a prism
a polygon that forms a surface of a prism
vertex
The points of a three dimentional shape
area of a parallelogram
A=bh
A=l*w
volume of a prism
V = Bh or V=lwh
surface area of a prism
the sum (+) of all the areas of the faces of a prism
mean
Average
median
Middle number
range
The difference between the highest and lowest scores in a distribution.
double bar graph
Compares two sets of categorical data
line graph
A graph that uses line segments to show changes that occur over time
cube
A prism with six square faces
estimate
A number that is not exact; a careful guess.
rounding
Expressing a number to the nearest thousandth, hundredth, tenth, one, ten, hundred, thousand, and so on as directed.
fraction remainder

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