Question

Add using number line: (-3)+9​

Answer 1

-4 -3 -2 -1 0 1 2 3 4 5 6 7 8

-3+9 on number line = 6

Answer 2

-6-5-4-3-2-1 0 1 2 3 4 5 6 7 8 9

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(-3)+9=6