Subtracting Integers

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Subtracting Integers

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Example 1 Writing Integer Subtraction Write the
subtraction modeled on each number line. A.
B.
8 7 6 5 4 3 2 1 0 1
The subtraction modeled is 3 4 7.
6 5 4 3 2 1 0 1 2 3 4 5
The subtraction modeled is 5 (9) 4.
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Example 2 Write the subtraction modeled on each
number line. A. B.
8 7 6 5 4 3 2 1 0 1
The subtraction modeled is 5 2 7.
6 5 4 3 2 1 0 1 2 3 4 5
The subtraction modeled is 3 (5) 2.
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Example 3 Subtracting Integers Find the
difference. 4 6
3 2 1 0 1 2 3 4 5
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Example 4 Subtracting Integers Find the
difference. 3 (3)
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Example 5 Find the difference. 2 (5)
1 0 1 2 3 4 5 6 7

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Example 6 Find the difference. 3 6
3 2 1 0 1 2 3 4 5
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Example 7 Evaluating Integer Expressions Evaluate
a 4 for a 2.
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Example 8 Evaluate b 6 for b 8.