Even, Odd, Prime & Composite

Which of these numbers is even?

• 11
• 6
• 5
• 29

Is 3 an even number or an odd number?

• even
• odd

If it ends with a 0 or a 2 or a 4 or a 6 or an 8, It’s ___________!

• Even
• Odd

If it ends with a 1 or a 3 or a 5 or a 7 or a 9, It’s __________!

• even
• odd

We have 23 students in our class. Do we have an even or odd number of students?

• even

• odd

Is 5 prime or composite?

• prime, because it has one factor

• prime, because it has two factors

• composite, because it has three factors

• neither

Is 21 prime or composite?

• prime, because is has 2 factors

• composite, because it has 2 factors

• composite, because it has 4 factors

• neither

What is a prime number?

• a number with ONLY two factors

• a number with LESS THAN two factors

• a number with ONLY one factor

• a number with MORE THAN two factors

What is a composite number?

• a number with ONLY TWO factors

• a number with LESS THAN TWO factors

• a number with MORE THAN TWO factors

• a number with ONLY ONE factor

What are factors?

• number that are multiplied together

• prime numbers

• composite numbers

• numbers that are added together