OK, I think I got it, only my text is all messed up by applying masters (only a few pages). Here are the steps which might be wordy but I think say what needs to be done (didn't find this anywhere). Note that one of my big mistakes was to apply the B-Master starting with page 7 which was wrong because the new section started with page 1 (physical 7).

1. Go to Pages panel

2. Set Section 1 (Page 1 by default) to Roman numbering (i, ii, etc.) by right-clicking page 1 in Pages and selecting the “Pages & Numbering” option. In Numbering & Section Options, set “Start Page Numbering at” to “1” and set Page Numbering Style to “i, ii, iii, iv…”. A black triangle will now be above page 1 in the Pages panel. When hovering over, it will show “Start of “1””. Roman numerals will be displayed under each page in the panel.

3. In the Pages panel, scroll to the page where page numbering should be present on the page and begin at “1”. Right click the page and again go to Pages & Numbering”. Again set Page Numbering to start at “1” but set the Style to be “1,2,3…”. This will create a new section. A black triangle will be displayed over the page which will also say “Start of “1””. The numbers under this page and the subsequent pages will be 1, 2, 3, etc.

4. Create new Master to use for the pages where page number should be displayed. Copy A-Master (right-click and select Duplicate). Double-click new B-Master which displays it on the screen. Create a text box (select Text tool) at the location the page number should be displayed on the page. Type any text desired to preceed number (i.e. “Page “), then go to Type>Insert Special Characters>Marker and select “Current Page Number”. The text box will display “B” to represent the page number on the B-Master.

5. The last step is to apply the B-Master to the appropriate pages. In the Pages panel, right-click the page where the page numbers will start (the first page in the new section with the black triangle) and select Apply Master. Enter the page range (starting with 1 because this is page 1 of the new section).

The pages with the B-Master applied (section 2) should now display the page number where the A-Master pages should not.

When I try this I get a message that a “a page number in this section already exists in another section….” and to cancel or OK & choose Absolute Numbering.

Thanks very much for the suggestions. Unfortunately I have tried these articles and more. It has not worked. Maybe I'm missing something. The trouble with adding it to the master page is I cannot find a way to tell it to start at “page 1” when it is really page 7.