Proficient Math 4.1 A

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What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

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How do you determine if a number is between 1 and 2?

Back

A number is between 1 and 2 if it is greater than 1 and less than 2.

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What does it mean for one number to be 'times as many' as another?

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It means that the first number is the result of multiplying the second number by a certain factor.

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What is the definition of multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of the same number.

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What is the difference between a prime number and a composite number?

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A prime number has exactly two distinct positive divisors (1 and itself), while a composite number has more than two positive divisors.

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How can you express the relationship '21 is 3 times as many as 7' in equation form?

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The equation is: 21 = 3 x 7.

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What is the process to convert a fraction to a decimal?

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To convert a fraction to a decimal, divide the numerator by the denominator.

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What is the significance of the number 1 in mathematics?

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The number 1 is the multiplicative identity, meaning any number multiplied by 1 remains unchanged.