​The process that involves aligning the digits of the numbers vertically

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according to their place values --> _________________

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​ An Expression that has one or more numbers and at least one

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operation sign --> _________________________________

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An Expression that contains at least one variable and at least

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one operation sign​ --> ________________________

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a line on which numbers are marked at intervals, used to illustrate simple numerical operations -

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_____________________________

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The numbers with sign “+”​ -->

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______________________

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3) The numbers with sign “–”​ --> ________________

​ Write the vocabulary word for the following definitions.

​ For every number (except 0) there is another number with the opposite value that lies the same distance from zero. These pairs of numbers are known… -->

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________________________

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This is a distance from zero to that number on the number line -->

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___________________________​