Question 1

Which of these rules is always true when multiplying any whole number by

2

?

Accepted Answer

The product is always an even number.

Answer

The product is always an odd number.

Answer

The product always ends in the digit 2.

Answer

The product is only even if the first number was even.

Question 2

Which of the following describes the result when you add two even numbers together, such as

2

?

Accepted Answer

The sum is always even.

Answer

The sum is always odd.

Answer

The sum is always 20.

Answer

The sum is sometimes even and sometimes odd.

Question 3

Which of the following sets contains only odd numbers?

Accepted Answer

15, 27, 33, 49

Answer

10, 15, 20, 25

Answer

12, 24, 36, 48

Answer

11, 22, 33, 44

Question 4

If you have an even number of marbles and you give

2

marble away to a friend, what kind of number is the amount of marbles you have left?

Accepted Answer

An odd number

Answer

The number zero

Answer

An even number

Answer

A number ending in 2

Question 5

Sarah has

2

stickers. Does she have an even or odd number of stickers, and why?

Accepted Answer

Odd, because 15 cannot be divided into two equal groups of whole stickers.

Answer

Even, because it ends with the digit 5.

Answer

Odd, because any number greater than 10 is always odd.

Answer

Even, because Sarah can share them equally with one friend and have none left over.

Question 6

If you add an odd number and an even number together, such as

2

, what is always true about the sum?

Accepted Answer

The sum is always odd

Answer

The sum is always a multiple of 10

Answer

The sum is always even

Answer

The sum is always the same as the even number

Question 7

If you take an odd number and subtract another odd number, such as

2

, what is always true about the result?

Accepted Answer

The difference is always an even number.

Answer

The difference is always an odd number.

Answer

The difference is always zero.

Answer

The difference is sometimes odd and sometimes even.

Question 8

Which of the following describes the number

2

?

Accepted Answer

It is an even number.

Answer

It is neither even nor odd.

Answer

It is an odd number.

Answer

It is only even if you add 1 to it.

Related quizzes