Question: Use a number line to find each sum. 3+4 A start at zero. Move left 3 then right 4 and end up at 1 B

Use a number line to find each sum. 3+4 A start at zero. Move left 3 then right 4 and end up at 1 B start at zero. Move right 3 then left 4 and end up at -1 C start at zero. Move left 3 then left 4 and end up at -7 D start at zero. Move right 3 then right 4 and end up at 7

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