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HowStuffWorks on MSNHow to Make a Number Line for the ClassroomIf the first number is 1, the second number will be 2. This sequence will continue as long as necessary. Numbers on a number line are typically spaced at equal intervals. This spacing represents ...
Watch: What is a number line? A number line can be used to add and subtract. Watch the video to learn what a number line is, and how to use it! A number line is a great way to add and subtract.
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