Prime Numbers and Squares: Debunking a Common Misconception in Mathematics

Prime Numbers and Squares: Debunking a Common Misconception in Mathematics

Assessment

Interactive Video

Mathematics

4th - 6th Grade

Hard

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The video tutorial addresses a statement by Jack, who claims that squaring a prime number results in a number with only two factors. The instructor disproves this by using the prime number 2, showing that 2 squared equals 4, which has three factors: 1, 2, and 4. This demonstrates Jack's error. The tutorial also highlights the concepts of prime numbers and factors, and suggests that other prime numbers could be used to reach the same conclusion.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the definition of a prime number?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain why Jack's statement about squaring a prime number is incorrect.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the factors of the number 4, and how do they relate to the prime number 2?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How many factors does the number 4 have, and what are they?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What alternative methods could be used to demonstrate that Jack is incorrect?

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