[DCRM-L] query about a number line

[Karen Nelson]

Dear friends;

I'm fairly new to number lines... and I am having trouble deciphering this one, from a 1982 monograph editon from Barrons's Educational Series:

2 3 4 5    041    9 8 7 6 5 4 3 2 1

Any enlightenment gratefully received.

karen
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