Mathematics, 07.04.2020 00:14 augustusj48

Which addition does the model below represent?

A number line going from negative 5 to positive 5. Negative 1 to positive 3 is highlighted, and 0 to positive 3 is highlighted.
3 + (negative 1)
3 + 4
3 + (negative 4)
3 + 1

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Which addition does the model below represent?

A number line going from negative 5 to po...