Identifying Even and Odd Numbers

The video tutorial explains the concept of even and odd numbers using counters. It demonstrates how even numbers can be evenly divided into two groups, while odd numbers cannot. Examples of even numbers like 2, 4, 6, and 8 are provided, showing their divisibility. Odd numbers such as 1, 3, 5, and 7 are also discussed, highlighting their indivisibility. The lesson concludes with a summary of these concepts.

What is an even number?

• A number that can be divided into two equal groups

• A number that is a prime

• A number that leaves one counter when split

• A number that cannot be divided

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CCSS.2.OA.C.3

How can you describe the number 4 in terms of divisibility?

• Can be evenly divided into two groups

• Is a prime number

• Leaves one counter when divided

• Cannot be divided into two groups

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CCSS.2.OA.C.3

Why is the number 1 considered an odd number?

• It is a prime number

• It cannot be evenly split into two groups

• It leaves no counters when split

• It can be evenly split into two groups

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CCSS.2.OA.C.3

What happens when you try to split an odd number of counters into two groups?

• One counter is always left out

• There are no counters left to distribute

• One group gets more counters than the other

• Each group gets an equal number of counters

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CCSS.2.OA.C.3

What is the result of splitting the number 3 into two groups?

• Each group has 1.5 counters

• Both groups have equal counters

• Both groups have one counter, one left over

• One group has two counters, the other one

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CCSS.1.G.A.3

Which of the following is an example of an even number?

• 8

• 7

• 5

• 3

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CCSS.2.OA.C.3

Which of the following numbers is odd?

• 4

• 7

• 2

• 6

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CCSS.2.OA.C.3

What characteristic defines an even number?

• It leaves a remainder when divided by 2

• It is divisible by 3

• It can be split into two equal parts

• It is greater than 5

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CCSS.2.OA.C.3

Which number is not evenly divisible into two groups?

• 8

• 5

• 2

• 6

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CCSS.2.OA.C.3

Which of the following statements is true about the number 7?

• It can be divided into two groups without leftovers

• It is an even number

• It is an odd number

• It is divisible by two

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CCSS.2.OA.C.3