<?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>0022 - Disclosure - FIXED ASSETS (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>From2013-01-01to2013-06-30</ContextID><EntitySchema>http://www.sec.gov/CIK</EntitySchema><EntityValue>0000025743</EntityValue><PeriodDisplayName /><PeriodType>duration</PeriodType><PeriodStartDate>2013-01-01T00:00:00</PeriodStartDate><PeriodEndDate>2013-06-30T00:00:00</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="Jun. 30, 2013" /></Labels></Column></Columns><Rows><Row FlagID="0"><Id>1</Id><IsAbstractGroupTitle>true</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>1</Level><ElementName>txmd_FixedAssetsTablesAbstract</ElementName><ElementPrefix>txmd_</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="" 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>Fixed Assets Tables</Label></Row><Row FlagID="0"><Id>2</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>2</Level><ElementName>us-gaap_PropertyPlantAndEquipmentTextBlock</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="From2013-01-01to2013-06-30" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;div style="text-indent: 0pt; display: block"&gt;&lt;div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: justify"&gt;&lt;font style="display: inline; font: 10pt Times New Roman"&gt;Fixed assets consist of the following:&lt;/font&gt;&lt;/div&gt;

&lt;div style="text-align: center"&gt;
&lt;table cellpadding="0" cellspacing="0" style="width: 90%; font: 10pt times new roman; font-size: 10pt; font-family: times new roman"&gt;
&lt;tr&gt;
&lt;td style="vertical-align: bottom; width: 60%; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 3%; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td colspan="2" style="vertical-align: bottom; width: 16%; border-bottom: black 2px solid"&gt;
&lt;div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;June 30,&lt;br /&gt;
&lt;/font&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;2013&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 3%; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td colspan="2" style="vertical-align: bottom; width: 16%; border-bottom: black 2px solid"&gt;
&lt;div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;December 31,&lt;br /&gt;
2012&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;/tr&gt;&lt;tr style="background-color: #cceeff"&gt;
&lt;td style="vertical-align: bottom; width: 60%; text-align: left; text-indent: 0pt; padding-left: 0pt; margin-left: 0pt; margin-right: 0pt"&gt;
&lt;div style="text-align: left; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;Equipment&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="text-align: right; vertical-align: bottom; width: 3%"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 1%; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 15%; text-align: right"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;90,573&lt;/font&gt;&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right; vertical-align: bottom; width: 3%"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 1%; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 15%; text-align: right"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;67,668&lt;/font&gt;&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;/tr&gt;&lt;tr style="background-color: white"&gt;
&lt;td style="vertical-align: bottom; width: 60%; text-align: left; text-indent: 0pt; padding-left: 0pt; margin-left: 0pt; margin-right: 0pt"&gt;
&lt;div style="text-align: left; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;Furniture and fixtures&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="text-align: right; vertical-align: bottom; width: 3%"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 1%; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 15%; text-align: right"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;46,625&lt;/font&gt;&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right; vertical-align: bottom; width: 3%"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 1%; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 15%; text-align: right"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;46,625&lt;/font&gt;&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;/tr&gt;&lt;tr style="background-color: #cceeff"&gt;
&lt;td style="vertical-align: bottom; width: 60%; text-align: left; padding-bottom: 2px; text-indent: 0pt; padding-left: 0pt; margin-left: 0pt; margin-right: 0pt"&gt;
&lt;div style="text-align: left; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;Leasehold improvements&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="text-align: right; vertical-align: bottom; width: 3%; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 1%; border-bottom: black 2px solid; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 15%; border-bottom: black 2px solid; text-align: right"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;11,980&lt;/font&gt;&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right; vertical-align: bottom; width: 3%; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 1%; border-bottom: black 2px solid; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 15%; border-bottom: black 2px solid; text-align: right"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;11,980&lt;/font&gt;&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;/tr&gt;&lt;tr style="background-color: white"&gt;
&lt;td style="vertical-align: bottom; width: 60%"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right; vertical-align: bottom; width: 3%"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 1%; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 15%; text-align: right"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;149,178&lt;/font&gt;&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right; vertical-align: bottom; width: 3%"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 1%; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 15%; text-align: right"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;126,273&lt;/font&gt;&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;/tr&gt;&lt;tr style="background-color: #cceeff"&gt;
&lt;td style="vertical-align: bottom; width: 60%; text-align: left; padding-bottom: 2px; text-indent: 0pt; padding-left: 0pt; margin-left: 0pt; margin-right: 0pt"&gt;
&lt;div style="text-align: left; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;Accumulated depreciation&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="text-align: right; vertical-align: bottom; width: 3%; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 1%; border-bottom: black 2px solid; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 15%; border-bottom: black 2px solid; text-align: right"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;(72,684&lt;/font&gt;&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;)&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right; vertical-align: bottom; width: 3%; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 1%; border-bottom: black 2px solid; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 15%; border-bottom: black 2px solid; text-align: right"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;(60,600&lt;/font&gt;&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left; padding-bottom: 2px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;)&lt;/font&gt;&lt;/td&gt;
&lt;/tr&gt;&lt;tr style="background-color: white"&gt;
&lt;td style="vertical-align: bottom; width: 60%; text-align: left; padding-bottom: 4px; text-indent: 0pt; padding-left: 0pt; margin-left: 9pt; margin-right: 0pt"&gt;
&lt;div style="text-align: left; text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;TOTAL FIXED ASSETS&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="text-align: right; vertical-align: bottom; width: 3%; padding-bottom: 4px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 1%; border-bottom: black 4px double; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 15%; border-bottom: black 4px double; text-align: right"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;76,494&lt;/font&gt;&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left; padding-bottom: 4px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right; vertical-align: bottom; width: 3%; padding-bottom: 4px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 1%; border-bottom: black 4px double; text-align: left"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="vertical-align: bottom; width: 15%; border-bottom: black 4px double; text-align: right"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;65,673&lt;/font&gt;&lt;/td&gt;
&lt;td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left; padding-bottom: 4px"&gt;&lt;font style="display: inline; font: 10pt times new roman"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;/tr&gt;&lt;/table&gt;
&lt;/div&gt;

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 -Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

 -Publisher SEC

 -Name Regulation S-X (SX)

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