Guess My Number:: Real Numbers

Front

What are real numbers?

Back

Real numbers include all the numbers on the number line, including rational numbers (like integers and fractions) and irrational numbers (like √2 and π).

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What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

Front

What is the difference between integers and whole numbers?

Back

Whole numbers are non-negative integers (0, 1, 2, 3, ...), while integers include all whole numbers and their negative counterparts (..., -3, -2, -1, 0, 1, 2, 3, ...).

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, |−5| = 5 and |5| = 5.

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How do you add two real numbers?

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To add two real numbers, simply combine their values. For example, 3 + 4 = 7.

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How do you subtract two real numbers?

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To subtract two real numbers, take the value of the second number away from the first. For example, 5 - 2 = 3.

Front

What is the product of two real numbers?

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The product of two real numbers is the result of multiplying them together. For example, 3 × 4 = 12.

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What is the quotient of two real numbers?

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The quotient of two real numbers is the result of dividing the first number by the second. For example, 8 ÷ 2 = 4.

Front

What is a number line?

Back

A number line is a straight line that represents numbers as points at equal intervals, allowing for the visualization of numerical relationships.