How do you get negative 3 plus 7 using a number line?

Answer 1

First locate -3.

Then to add 7 you move 7 places to the right (and you will arrive at 4):

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_____________________ move right 7__________________

______________ →→→→→→→→→→→→ __________

_____________ ↑ _________________________ ↓ __________

___---+---+---+---+---+---|---+---+---+---+---+--- ___

____ -5 _____ -3 __________0______________4___ 5 _____

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