<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Version>2.4.0.8</Version><ReportLongName>000200 - Disclosure - 4. Capital Stock: Stock activity during the quarter (Tables)</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column FlagID="0"><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><CurrencyCode /><FootnoteIndexer /><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios><MCU><KeyName /><CurrencySymbol /><contextRef><ContextID>D130601_131130</ContextID><EntitySchema>http://www.sec.gov/CIK</EntitySchema><EntityValue>0000005656</EntityValue><PeriodDisplayName /><PeriodType>duration</PeriodType><PeriodStartDate>2013-06-01T00:00:00</PeriodStartDate><PeriodEndDate>2013-11-30T00:00:00</PeriodEndDate><Segments /><Scenarios /></contextRef><UPS /><CurrencyCode /><OriginalCurrencyCode /></MCU><CurrencySymbol /><Labels><Label Key="CalendarSupplement" Id="0" Label="6 Months Ended" /><Label Key="Calendar" Id="1" Label="Nov. 30, 2013" /></Labels></Column></Columns><Rows><Row FlagID="0"><Id>1</Id><IsAbstractGroupTitle>true</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>1</Level><ElementName>us-gaap_TableTextBlockSupplementAbstract</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText /><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>xbrli:stringItemType</ElementDataType><SimpleDataType>string</SimpleDataType><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Tables/Schedules</Label></Row><Row FlagID="0"><Id>2</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>2</Level><ElementName>fil_StockActivityDuringTheQuarter</ElementName><ElementPrefix>fil_</ElementPrefix><IsBaseElement>false</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="D130601_131130" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;!--egx--&gt;&lt;p style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;line-height:normal'&gt;&amp;nbsp;&lt;/p&gt; &lt;table border="0" cellspacing="0" cellpadding="0" style='border-collapse:collapse'&gt; &lt;tr align="left"&gt; &lt;td width="222" valign="bottom" style='width:166.85pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:justify;line-height:normal'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="87" valign="bottom" style='width:65.25pt;border:none;border-bottom:solid windowtext 1.0pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="center" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'&gt;# OF SHARES&lt;/p&gt; &lt;/td&gt; &lt;td width="24" valign="top" style='width:.25in;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="center" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="109" valign="bottom" style='width:81.95pt;border:none;border-bottom:solid windowtext 1.0pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="center" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'&gt;TOTAL STOCK AND PAID IN CAPITAL&lt;/p&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr align="left"&gt; &lt;td width="222" valign="bottom" style='width:166.85pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;line-height:normal'&gt;Balances, 8/31/12&lt;/p&gt; &lt;/td&gt; &lt;td width="87" valign="bottom" style='width:65.25pt;border:none;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;194,760,044&lt;/p&gt; &lt;/td&gt; &lt;td width="24" valign="top" style='width:.25in;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="109" valign="bottom" style='width:81.95pt;border:none;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;4,675,220&lt;/p&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr align="left"&gt; &lt;td width="222" valign="bottom" style='width:166.85pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;line-height:normal'&gt;Shares sold for cash&lt;/p&gt; &lt;/td&gt; &lt;td width="87" valign="bottom" style='width:65.25pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;1,210,000&lt;/p&gt; &lt;/td&gt; &lt;td width="24" valign="top" style='width:.25in;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="109" valign="bottom" style='width:81.95pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;151,250&lt;/p&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr align="left"&gt; &lt;td width="222" valign="bottom" style='width:166.85pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;line-height:normal'&gt;Shares for mining claim not acquired&lt;/p&gt; &lt;/td&gt; &lt;td width="87" valign="bottom" style='width:65.25pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;1,000,000&lt;/p&gt; &lt;/td&gt; &lt;td width="24" valign="top" style='width:.25in;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="109" valign="bottom" style='width:81.95pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;300,000&lt;/p&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr style='height:4.5pt'&gt; &lt;td width="222" valign="bottom" style='width:166.85pt;padding:0in 5.75pt 0in 5.75pt;height:4.5pt'&gt; &lt;p style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;line-height:normal'&gt;Other shares for services&lt;/p&gt; &lt;/td&gt; &lt;td width="87" valign="bottom" style='width:65.25pt;padding:0in 5.75pt 0in 5.75pt;height:4.5pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;1,500,000&lt;/p&gt; &lt;/td&gt; &lt;td width="24" valign="top" style='width:.25in;padding:0in 5.75pt 0in 5.75pt;height:4.5pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="109" valign="bottom" style='width:81.95pt;padding:0in 5.75pt 0in 5.75pt;height:4.5pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;445,000&lt;/p&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr align="left"&gt; &lt;td width="222" valign="bottom" style='width:166.85pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;line-height:normal'&gt;Options issued to directors&lt;/p&gt; &lt;/td&gt; &lt;td width="87" valign="bottom" style='width:65.25pt;border:none;border-bottom:solid windowtext 1.0pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="center" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'&gt;-&lt;/p&gt; &lt;/td&gt; &lt;td width="24" valign="top" style='width:.25in;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="109" valign="bottom" style='width:81.95pt;border:none;border-bottom:solid windowtext 1.0pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;495,000&lt;/p&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr align="left"&gt; &lt;td width="222" valign="bottom" style='width:166.85pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;line-height:normal'&gt;Balance, 11/30/12&lt;/p&gt; &lt;/td&gt; &lt;td width="87" valign="bottom" style='width:65.25pt;border:none;border-bottom:double windowtext 1.5pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;198,470,044&lt;/p&gt; &lt;/td&gt; &lt;td width="24" valign="top" style='width:.25in;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="109" valign="bottom" style='width:81.95pt;border:none;border-bottom:double windowtext 1.5pt;padding:0in 5.75pt 0in 5.75pt'&gt; &lt;p align="right" style='margin-top:0in;margin-right:0in;margin-bottom:10.0pt;margin-left:0in;line-height:115%;margin-bottom:0in;margin-bottom:.0001pt;text-align:right;line-height:normal'&gt;6,066,470&lt;/p&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>No authoritative reference available.</ElementDefenition><ElementReferences>No definition available.</ElementReferences><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Stock activity during the quarter</Label></Row></Rows><Footnotes /><IsEquityReport>false</IsEquityReport><ReportName>4. Capital Stock: Stock activity during the quarter (Tables)</ReportName><MonetaryRoundingLevel>UnKnown</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>true</HasCustomUnits><IsEmbedReport>false</IsEmbedReport><IsMultiCurrency>false</IsMultiCurrency><ReportType>Sheet</ReportType><RoleURI>http://AIVN/20131130/role/idr_Disclosure4CapitalStockStockActivityDuringTheQuarterTables</RoleURI><NumberOfCols>1</NumberOfCols><NumberOfRows>2</NumberOfRows></InstanceReport>
