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Prime and Composite Numbers — Let's Practice!

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Prime and Composite Numbers — Let's Practice!
CCSS.MATH.CONTENT.4.OA.B.4

Basics on the topic Prime and Composite Numbers — Let's Practice!

Today we are practicing prime and composite numbers in shapes with Razzi! This video contains examples to help you further practice and grow confident in this area.

Transcript Prime and Composite Numbers — Let's Practice!

Razzi says get these items ready because today we're going to practice Prime and Composite Numbers It's time to begin! List all the factor pairs of the following numbers to determine if the number is prime or composite. Is twenty-six, PRIME, or COMPOSITE? Pause the video to work on the problem and press play when you are ready to see the solution! The factor pairs of twenty-six are one and twenty-six... and two and thirteen. Did you also get that twenty-six is COMPOSITE? Let's tackle the next problem! Is thirty-one, PRIME, or COMPOSITE? Pause the video to work on the problem and press play when you are ready to see the solution! The factor pairs of thirty-one are one and thirty-one. There are no more factor pairs. Did you also get that thirty-one is a PRIME number? Let's tackle the next problem! Is the number seventy-seven, PRIME, or COMPOSITE? Pause the video to work on the problem and press play when you are ready to see the solution! The factor pairs of seventy-seven are one and seventy-seven... and seven and eleven. Did you also get that seventy-seven is a COMPOSITE number? Let's tackle the final problem! Is ninety-seven, PRIME or COMPOSITE? Pause the video to work on the problem and press play when you are ready to see the solution! The factors of ninety-seven are one and ninety-seven. There are no more factor pairs. Did you also get that ninety-seven is PRIME? Razzi had so much fun practicing with you today! See you next time!