Mid-Term Review 24-25

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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, the absolute value of -4 is 4, written as | -4 | = 4.

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How do you compare two numbers using <, >, or =?

Back

You use < to indicate that the number on the left is less than the number on the right, > to indicate that the number on the left is greater than the number on the right, and = to indicate that both numbers are equal.

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Front

What does it mean if a number is less than another number?

Back

If a number is less than another number, it means it is to the left of that number on the number line. For example, 18.5 < 22.1 means 18.5 is less than 22.1.

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How do you express that one number is greater than another using symbols?

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You express that one number is greater than another using the symbol >. For example, if 5 is greater than 3, you write 5 > 3.

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The relationship is that | -93 | > | -90 |, meaning 93 is greater than 90.

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What does the symbol < represent in mathematics?

Back

The symbol < represents 'less than'. For example, 3 < 5 means 3 is less than 5.