Johnsonbrianne9 Johnsonbrianne9

03-10-2019
Mathematics

contestada

How can a number line be used to model whole number addition and subtraction

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CoolAsianGuy CoolAsianGuy

03-10-2019

2-1=?

If you imagine the number you are subtracting from (2) as a point on a number line, you can add or subtract from that point in whole spaces to end up at you new answer.

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Evaluate each expression for the given value of the variable. x + 2x - x - 1; x = 2