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Lesson: Identifying Odd and Even Numbers by Pairing

In this lesson, we will learn how to identify whether a number up to 20 is even or odd by grouping objects in pairs and skip counting by 2s.

Worksheet: Identifying Odd and Even Numbers by Pairing • 13 Questions

Q1:

Here is a group of 9 people.

Can we divide the group into pairs so that everyone has a partner?

A yes
B no

Q2:

Is the number of stars even or odd?

A odd
B even

Q3:

Monica counted 19 plants in her garden, but 4 of them were weeds. Will she have an even or odd number of plants after she removes the weeds? Why?

A An odd number, because 15 things have one left over when you put them in pairs.
B An even number, because 4 is even.
C An even number, because there will not be one left over.
D An odd number, because the digit 1 in 15 is odd.

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