# Worksheet: Identifying Odd and Even Numbers by Making Equal Groups

Q1:

There are the same number of squares in each of these two circles.

Is the total number of squares even or odd?

• A even
• B odd

Q2:

A number is even if it can be split into two groups of equal size.

These 6 squares can be split into two groups of 3 squares. So, 6 is even.

Which of the following numbers is even?

• A
• B
• C
• D
• E

Q3:

Ethan bought a pack of 15 stickers. He already had 3 of them, so he gave them to his friend. Does he have an odd or even number of stickers left?

• A An odd number, because the digit 1 in 12 is odd.
• B An odd number, because 3 is odd.
• C An even number, because the digit 8 in 18 is even.
• D An even number, because 12 things can be put into two equal groups.
• EAn odd number, because they cannot be put into two equal groups.

Q4:

There are the same number of squares in each of these two circles, and one more square is outside the circles.

Is the total number of squares even or odd?

• A odd
• B even

Q5:

Is 9 even or odd?

• A odd
• B even

Q6:

Is 13 even or odd?

• A odd
• B even

Q7:

A number is even if we can split it into groups of two with nothing left over.

These 8 squares can be split into 4 groups of 2 squares. So, 8 is even.

Which of the following numbers is even?

• A
• B
• C
• D

Q8:

Is 8 even or odd?

• A even
• B odd

Q9:

A number is odd if it cannot be split into two groups of equal size.

These 7 squares can be split into two groups of 3 with 1 left over. So, 7 is odd.

Which of the following numbers is odd?

• A
• B
• C
• D
• E

Q10:

Here is a group of 6 people.

Can we split them into two groups with the same number of people in each group?

• A yes
• B no

Q11:

Here is a group of 7 people.

Can we split them into two groups with the same number of people in each group?

• A no
• B yes