Final Exam Review

Question 1

A number sentence such as 3 > 4 or -5 > -10

Answer 1

inequality

Question 2

Examples are -2, 3, and 0

Answer 2

integers

Question 3

A number that is less than 0

Answer 3

negative number

Question 4

A way to describe a relationship between the integers -2 and 2.

Answer 4

opposites

Question 5

a number that is to the right of zero on a horizontal number line.

Answer 5

positive number

Question 6

The least number, other than 0, that is a multiple of 2 or more given numbers.

Answer 6

Least Common Multiple

Question 7

A _____ can be written in the form a/b where a and b are integers and b is not zero.

Answer 7

rational number

Question 8

To compare and order fractions, the fractions can be written with a _____.

Answer 8

common denominator

Question 9

The _____ is the greatest number by which 2 or more given numbers can be evenly divided.

Answer 9

greatest common factor

Question 10

Describe in your own words what it means for two numbers to be reciprocals or multiplicative inverses.

Answer 10

Two numbers that, when they are multiplied, equal 1.
(flip the fraction upside down)

Question 11

Give an example of two numbers that are reciprocals or multiplicative inverses.

Answer 11

3 and 1/3rd

Question 12

In the problem x / y, x is the _____.

Answer 12

dividend

Question 13

In the problem x / y, y is the _____.

Answer 13

divisor

Question 14

The solution to an addition problem

Answer 14

sum

Question 15

The solution to a subtraction problem

Answer 15

difference

Question 16

Two division expressions that have the same value are _____.

Answer 16

equivalent

Question 17

x / y is an example of a _____.

Answer 17

ratio

Question 18

_____ are ratios that name the same comparisons.

Answer 18

Equivalent ratios

Question 19

How can a ratio be like a fraction? How can it be different from a fraction?

Answer 19

Both can be used to compare a part to the whole. Only a ratio can compare a part to another part.

Question 20

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 _____.

Answer 20

rate
unit rate

Question 21

A rate in which two quantities are equal, but use different units, is called a _____.

Answer 21

conversion factor

Question 22

A graph that uses sections of a circle to compare parts to the whole and parts to other parts is called a _____.

Answer 22

circle graph

Question 23

A comparison of two quantities by division is a _____.

Answer 23

ratio.

Question 24

How is a conversion factor like a unit rate? How are they different?

Answer 24

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.

Question 25

_____ is a ratio that compares a part to a whole of _____.

Answer 25

Percent
100

Question 26

Percents can be written as _____ to the hundredths or as fractions using _____ as the denominator.

Answer 26

decimals
100