Objective
To find sums and differences of real numbers
Essential Understanding You can add or subtract any real numbers using a number line model. You can also add or subtract real numbers using rules involving absolute value.
What is each sum? Use a number line.
A 3 + 5 | ||
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B
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C
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D
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How do you know which direction to move along the number line?
If the number added is positive, move to the right. If the number added is negative, move to the left.
✓ Got It?