Final Exam Review Flashcards
get good grade on finals
A number sentence such as 3 > 4 or -5 > -10
inequality
Examples are -2, 3, and 0
integers
A number that is less than 0
negative number
A way to describe a relationship between the integers -2 and 2.
opposites
a number that is to the right of zero on a horizontal number line.
positive number
The least number, other than 0, that is a multiple of 2 or more given numbers.
Least Common Multiple
A _____ can be written in the form a/b where a and b are integers and b is not zero.
rational number
To compare and order fractions, the fractions can be written with a _____.
common denominator
The _____ is the greatest number by which 2 or more given numbers can be evenly divided.
greatest common factor
Describe in your own words what it means for two numbers to be reciprocals or multiplicative inverses.
Two numbers that, when they are multiplied, equal 1.
(flip the fraction upside down)
Give an example of two numbers that are reciprocals or multiplicative inverses.
3 and 1/3rd
In the problem x / y, x is the _____.
dividend
In the problem x / y, y is the _____.
divisor
The solution to an addition problem
sum
The solution to a subtraction problem
difference
Two division expressions that have the same value are _____.
equivalent
x / y is an example of a _____.
ratio
_____ are ratios that name the same comparisons.
Equivalent ratios
How can a ratio be like a fraction? How can it be different from a fraction?
Both can be used to compare a part to the whole. Only a ratio can compare a part to another part.
A ratio that compares two quantities with different units is called a _____. If the second quantity in the comparison is one, the comparison is a _____.
rate
unit rate
A rate in which two quantities are equal, but use different units, is called a _____.
conversion factor
A graph that uses sections of a circle to compare parts to the whole and parts to other parts is called a _____.
circle graph
A comparison of two quantities by division is a _____.
ratio.
How is a conversion factor like a unit rate? How are they different?
Both compare two quantities in different units and both include a quantity that is a single unit. The difference is a unit rate compares teo different quantities and a conversion compares to equal quantities just in different units.
_____ is a ratio that compares a part to a whole of _____.
Percent
100
Percents can be written as _____ to the hundredths or as fractions using _____ as the denominator.
decimals
100
