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

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asked Mar 14, 2020 164k views

1 Answer

Jbiral · Answer 1 · 2020-03-21T13:39:17+0000

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.

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

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