Odd and Even Numbers Challenge

Which of the following numbers is odd? A) 24 B) 37 C) 58 D) 102

• 37

• 22

• 44

• 60

Which of the following numbers is even? A) 73 B) 91 C) 84 D) 55

• A) 72

• B) 90

• D) 56

• C) 84

Classify the number 256 as odd or even. A) Odd B) Even C) Neither D) Both

• D) Negative

• A) Prime

• C) Composite

• B) Even

Classify the number 4,731 as odd or even. A) Even B) Odd C) Neither D) Cannot be determined

• D) Negative

• B) Odd

• C) Composite

• A) Prime

What is the sum of two odd numbers always? A) Odd B) Even C) Prime D) Composite

• B) Even

• Negative

• Whole

• Odd

What is the result when an odd number is multiplied by an even number? A) Always odd B) Always even C) Always prime D) Cannot be determined

• B) Always even

• Always negative

• Always divisible by three

• Always composite

If n is an even number, which expression always represents an odd number? A) n + 2 B) n/2 C) n + 1 D) 2n

• n - 2

• C) n + 1

• n / 2 + 1

• n * 2

Which of the following is a property of odd numbers? A) Divisible by 2 B) End in 0, 2, 4, 6, or 8 C) Not divisible by 2 D) Always prime

• A) Divisible by 3

• B) End in 1, 3, 5, 7, or 9

• C) Not divisible by 2

• D) Always even

What is the product of two odd numbers? A) Always even B) Always odd C) Always prime D) Always composite

• Always divisible by three

• Always a square number

• B) Always odd

• Always negative

If you add an odd number and an even number, the result is: A) Always odd B) Always even C) Always prime D) Depends on the numbers

• Always divisible by three

• Always negative

• A) Always odd

• Always composite