Adding and Subtracting Integers on a Number Line

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What is an integer?

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An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

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What does it mean to add integers?

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Adding integers involves combining their values. If both integers are positive, the result is positive. If both are negative, the result is negative. If one is positive and one is negative, subtract their absolute values and take the sign of the integer with the larger absolute value.

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What does it mean to subtract integers?

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Subtracting integers means finding the difference between them. This can be done by adding the opposite of the integer being subtracted.

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How do you represent -8 + 3 on a number line?

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Start at -8, then move 3 units to the right. The result is -5.

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To subtract on a number line, which direction do you move?

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You move to the left.

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