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anonymous

  • one year ago

What number line can you use to simplify 2 + (-8)

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  1. jim_thompson5910
    • one year ago
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    start with a number line |dw:1444002143459:dw|

  2. jim_thompson5910
    • one year ago
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    the first number is '2' so plot a dot at 2 on the number line |dw:1444002270876:dw|

  3. jim_thompson5910
    • one year ago
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    `2 + (-8)` is equivalent to `2-8` either way, we go 8 units to the left of 2 |dw:1444002309720:dw|

  4. jim_thompson5910
    • one year ago
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    notice how we land on -6 |dw:1444002346615:dw|

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