Math Exam

Any whole number greater than one that has a positive factor OTHER THAN 1 and itself is a _______________ number

composite

In the problem 3 x 9 = 27, 3 and 9 are called the _________________________

factors

In the problem 27 ÷ 3 = 9, 27 is called the _________________________

Dividend,

Two counting numbers are _________________________ if they have NO common factors other than one.

Relatively prime

In the problem, 9 - 2 = 7, 9 is called the

Minuend

In the problem, 9 - 2 = 7, 2 is called _________________

Subtrahend

In the problem 3 x 9 = 27, 21 is called the ______________________

Product

In the problem 27 ÷ 3 = 9, 3 is called the _____________________________

Divisor

In the problem, 2 + 7 = 9, 2 and 7 are called the _______________

addends

In the problem, 2 + 7 = 9, 9 is called the __________

sum

All odd numbers are prime

False

Multiples of 6 are: 1, 2, 3, 6, 12, 18......

False

Factors of 6 are ____--

1, 2, 3, 6, 12, 18, ....

Multiples of 6

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72

A number is divisible by 40 if it is divisible by 4 and 10

False

The number 18 is divisible by 6

True

All prime numbers are odd

False

Round 649,382 to the nearest TEN-Thousandth

650,000

Give an example of an integer that is not a natural number

-5

What is the additive identity number?

0

The additive inverse of -12 is?

12

Given that 5+7 =12, list the other three number facts in the fact family

7 + 5 = 12

12 - 7 = 5

12 - 5 = 7

Multiplicative identity number

1

In the expression 7^3, 7 is called the __________

Base

In the expression 7^3, 3 is called ____________

exponent

The numbers 2 and 3 have no common multiples

False

(a + b) + c = c + (a + b) represents the Associative Property of addition

False

A number is divisible by 12 if it is divisible by 2 and by 6

False

-a is never a positive number

False

Factors of 54: 0, 1, 6, 9, 45

False

1 is a factor of all counting numbers

true

Determine the number of terms in the following arithmetic sequence

-54, -53, -52....65, 66, 67

121

Given that 8 x 3 = 24, list the other three number facts in the fact family

3 x 8 = 24

24 ÷ 8 = 3

24 ÷ 3 = 8

Identify the property: 7(2) = 2(7)

Commutative Property of Multiplication

Identify the property: 7 x (2 + 3) = 7 x 2 + 7 x 3

Distributive Property of Multiplication over Addition

7 + 0 = 7

Identity Property of Addition

Identify the property: (4 + 5) + 6 = 4 + (5 + 6)

Associative Property of Addition

(4 x 5) x 6 = 6 x (4 x 5)

Commutative Property of Multiplication

3 x 1 = 3

Identity Property of Multiplication

Commutative Property of Addition

(5 + 7) + 3 = (7 + 5) + 3

Is the set of Negative integers {..., -3, -2, -1} closed for addition?

Closed

Is the set of odd Whole Numbers {1, 3, 5, ...} closed for subtraction?

Not closed

Is the set {-1, 0, 1} closed for multiplication?

Closed

Is the set { 1, 2, 4} closed for division?

Not closed

All True Statements

24 is a multiple of 8

4 is a divisor of 20

9 is a factor of 27

3 | 0

The prime factorization of 1092 is 2^2 x 3 x 7 x 13. The prime factorization of 1274 is 2 x 7^2 x 13. Which one of the following products is the greatest common factor of 1092 and 1274?

2 x 3 x 13

If a is an integer, which of the following is a true statement?

-a may be a positive number

True Statements

Factors of 16 are: 1, 2, 4, 8, 16

Factors of 8 are: 1, 2, 4, 8, 16, 32, ........

What is the 11th term of the sequence whose nth term is 5n -3?

52

The set of beautiful artwork is a well-defined set

False