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What is the defining characteristic of an even number?

• It is a prime number.

• It is divisible by 3.

• It is divisible by 2.

• It ends with an odd digit.

Which of the following numbers is even?

• 15

• 49

• 37

• 22

How can you quickly determine if a number is even?

• Check if it is greater than 10.

• Check if it is less than 100.

• Check if it ends with 0, 2, 4, 6, or 8.

• Check if it is a multiple of 5.

Which of these is an example of an even number in real life?

• A trio of musicians

• A set of five chairs

• A dozen eggs

• A single apple

Why are even numbers important in mathematics?

• They are used to calculate odd numbers.

• They simplify division operations.

• They help in understanding multiplication tables.

• They are the basis for prime numbers.