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The number line in problem #4 (attached) extends past the bold arrowheads. I thought I had seen an example once that put the bold line and arrowheads above the regular number line. However, I cannot find any documentation to support this method. Also answer C. is very long. What is the best way to represent the data? This is 6th grade math.
Thank you for your assistance.The data are represented by the bold arrowhead and shaft on the number line. The bold arrowhead and the lighter number line arrowhead both indicate that the numbers extend to “infinity”. It is not necessary to include the arrow from the original number line.
I found it difficult to make myself clear in my reply. Let me know if this doesn’t make sense. Dorothy
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