Prime and Composite Numbers

​Prime and Composite Numbers

LEarning Intention:

Success Criteria

I can identify a prime or composite number and explain why it is prime or composite.

I will be learning about prime and composite numbers.

​Notes- Go to page 7 in your notebook

​Title your notebook page "Prime and Composite Numbers"

​

Write the following definitions on your

notebook page:​

​Glue in 100s chart to bottom of page

​You are going to investigate our prime numbers.

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Using a PENCIL start by shading in all of the multiples of 2 that are GREATER than 2.

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4, 6, 8, 10.....​

​Continue investigating....

​Now that you have your multiples of 2 shaded in, continue shading in the multiples of 3, 4, 5, 6, 7, 8, 9, 10 that are GREATER than each of those numbers.

​6, 9, 12...

8, 12, 16...

10, 15, 20...

​

Use your multiplication chart to help you. ​

Open Ended

After shading in all the multiples, what do you notice?

What does your chart look like?

Take a picture to upload your finished chart.

​Your finished chart shows the prime numbers!!

​After shading in the multiples, your finished chart will show the prime numbers.

​

These are the numbers that are NOT shaded in.

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With one exception, the number 1 is NEITHER prime nor composite. Please put lines through this number. ​

​Why do I need to know this???

​Prime numbers are the building blocks for all other numbers! Prime numbers can help us identify patterns and to break bigger numbers into groups.

On the following slides you will be asked to identify if a number is prime or composite.

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Use your chart to help!​

​

Make sure your 100s chart is complete!

Multiple Choice

There are 365 days in a year. The number 365 is

• Prime

• Composite

• Neither prime nor composite

Multiple Choice

Lauren's house number is 17. The number 17 is

• Prime

• Composite

• Neither prime nor composite

Multiple Choice

The number 1 is

• Prime

• Composite

• Neither prime nor composite

Multiple Choice

Some months have 31 days. The number 31 is

• Prime

• Composite

Multiple Choice

The number zero is also known as zilch. The number zero is

• Prime

• Composite

• Neither prime nor composite

Multiple Choice

The human skeleton is made up of approximately 206 bones. The number 206 is

• Prime

• Composite

Multiple Choice

The human arm has 64 bones. This number is

• Prime

• Composite

Multiple Choice

I have 2 pet dogs. The number 2 is

• Prime

• Composite

Multiple Choice

February has 29 days in leap years. The number 29 is

• Prime

• Composite

Multiple Choice

Sam has saved $97 in his bank account. The number 97 is

• Prime

• Composite

Multiple Choice

There are 100 cents in one dollar. The number 100 is

• Prime

• Composite

Multiple Choice

Which number is prime?

• 57
• 19
• 9

Multiple Choice

Which number is composite?

• 2
• 4
• 13

Multiple Choice

Is 6 a factor of 72?

• yes
• no

On the next slide, you will be given a link to IXL. Click on the link to go to your 1st skill practice for today. ​Please complete 15 Questions.

​

Come back to this lesson after completing your

15 questions.​

IXL | Prime or composite | 6th grade math

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​Now that you have finished your 1st skill practice, Go to the next slide to complete your 2nd skill practice answering 15 questions.

​

Come back to this lesson after completing your 15 questions. ​

IXL | Identify factors | 6th grade math

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Great job completing your IXL practice Skills! You have completed your Quizizz lesson. Go back to Google Classroom to complete your Exit Ticket on Prime and Composite Numbers. ​