<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
	>

<channel>
	<title>MrGray.id.au &#187; Addition &amp; Subtraction</title>
	<atom:link href="http://mrgray.id.au/category/mathematics/number/addition-subtraction/feed/" rel="self" type="application/rss+xml" />
	<link>http://mrgray.id.au</link>
	<description>Mr Gray&#039;s teaching related blog: news, resources and ideas for teachers</description>
	<lastBuildDate>Mon, 23 Jan 2012 12:22:26 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
			<item>
		<title>Thirteen</title>
		<link>http://mrgray.id.au/2010/07/thirteen/</link>
		<comments>http://mrgray.id.au/2010/07/thirteen/#comments</comments>
		<pubDate>Tue, 06 Jul 2010 12:48:01 +0000</pubDate>
		<dc:creator>Mr Gray</dc:creator>
				<category><![CDATA[Addition & Subtraction]]></category>
		<category><![CDATA[Fun]]></category>
		<category><![CDATA[Mathematics]]></category>
		<category><![CDATA[Anagrams]]></category>
		<category><![CDATA[Maths Puzzles]]></category>
		<category><![CDATA[thirteen]]></category>

		<guid isPermaLink="false">http://mrgray.id.au/?p=811</guid>
		<description><![CDATA[Did you know???? You can re-arrange the letters of TWELVE PLUS ONE to make ELEVEN PLUS TWO Image: Flickr by teotwawki]]></description>
			<content:encoded><![CDATA[<p><a href="http://mrgray.id.au/wp-content/uploads/2010/07/16291719_cdde03e4e1.jpg"><img class="alignright size-thumbnail wp-image-812" title="16291719_cdde03e4e1" src="http://mrgray.id.au/wp-content/uploads/2010/07/16291719_cdde03e4e1-150x150.jpg" alt="" width="150" height="150" /></a>Did you know????</p>
<p>You can re-arrange the letters of</p>
<p>TWELVE PLUS ONE</p>
<p>to make</p>
<p>ELEVEN PLUS TWO</p>
<p><em>Image:</em> <a href="http://www.flickr.com/photos/teotwawki/16291719/" target="_blank">Flickr by teotwawki</a></p>
]]></content:encoded>
			<wfw:commentRss>http://mrgray.id.au/2010/07/thirteen/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>A Big Button Calculator</title>
		<link>http://mrgray.id.au/2009/08/a-big-button-calculator/</link>
		<comments>http://mrgray.id.au/2009/08/a-big-button-calculator/#comments</comments>
		<pubDate>Wed, 19 Aug 2009 07:58:33 +0000</pubDate>
		<dc:creator>Mr Gray</dc:creator>
				<category><![CDATA[Addition & Subtraction]]></category>
		<category><![CDATA[Classroom Resources]]></category>
		<category><![CDATA[Fractions & Decimals]]></category>
		<category><![CDATA[Interactive White Board]]></category>
		<category><![CDATA[Mathematics]]></category>
		<category><![CDATA[Multiplication & Division]]></category>
		<category><![CDATA[Number]]></category>
		<category><![CDATA[Patterns & Algebra]]></category>
		<category><![CDATA[Whole numbers]]></category>

		<guid isPermaLink="false">http://mrgray.id.au/?p=548</guid>
		<description><![CDATA[Came across this calculator, which would be handy for whole class demonstration. It has big buttons and a simple layout &#8211; just the essentials. Nice and big too.]]></description>
			<content:encoded><![CDATA[<p>Came across <a title="Big Buttoned Calculator" href="http://www.online-calculator.com/simple-full-screen-calculator/" target="_blank">this calculator</a>, which would be handy for whole class demonstration. It has big buttons and a simple layout &#8211; just the essentials. Nice and big too.</p>
<p style="text-align: center;"><a href="http://www.online-calculator.com/simple-full-screen-calculator/"><img class="size-medium wp-image-549 aligncenter" title="Big Button Calculator" src="http://mrgray.id.au/wp-content/uploads/2009/08/Big-Button-Calculator-544x640.png" alt="Big Button Calculator" width="544" height="640" /></a></p>
]]></content:encoded>
			<wfw:commentRss>http://mrgray.id.au/2009/08/a-big-button-calculator/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Google Calculator &#8211; not always right</title>
		<link>http://mrgray.id.au/2008/09/google-calculator-not-always-right/</link>
		<comments>http://mrgray.id.au/2008/09/google-calculator-not-always-right/#comments</comments>
		<pubDate>Fri, 26 Sep 2008 12:31:39 +0000</pubDate>
		<dc:creator>Mr Gray</dc:creator>
				<category><![CDATA[Addition & Subtraction]]></category>
		<category><![CDATA[Cartoon]]></category>
		<category><![CDATA[Fun]]></category>
		<category><![CDATA[Humour]]></category>
		<category><![CDATA[Mathematics]]></category>
		<category><![CDATA[Number]]></category>
		<category><![CDATA[calculator]]></category>

		<guid isPermaLink="false">http://mrgray.id.au/?p=166</guid>
		<description><![CDATA[Google has a calculator function, which can solve mathematical problems for you. But maybe you shouldn&#8217;t always trust the answers given?? Take a look&#8230;]]></description>
			<content:encoded><![CDATA[<p><img class="alignleft" style="float: left;" src="http://mrgray.id.au/wp-content/uploads/2008/09/calculator_img.gif" alt="" width="40" height="30" />Google has a <a href="http://www.google.com.au/help/features.html#calculator" target="_blank">calculator function</a>, which can solve mathematical problems for you. But maybe you <a href="http://www.google.com.au/search?q=399999999999999-399999999999998" target="_blank">shouldn&#8217;t always trust the answers</a> given?? Take a look&#8230;</p>
<p style="text-align: center;"><a href="http://mrgray.id.au/wp-content/uploads/2008/09/google-calculator.png"><img class="size-thumbnail wp-image-439 aligncenter" title="google-calculator" src="http://mrgray.id.au/wp-content/uploads/2008/09/google-calculator-150x150.png" alt="google-calculator" width="150" height="150" /></a></p>
]]></content:encoded>
			<wfw:commentRss>http://mrgray.id.au/2008/09/google-calculator-not-always-right/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Online Graph/Grid Paper Resource</title>
		<link>http://mrgray.id.au/2007/11/online-graphgrid-paper-resource/</link>
		<comments>http://mrgray.id.au/2007/11/online-graphgrid-paper-resource/#comments</comments>
		<pubDate>Wed, 31 Oct 2007 23:40:44 +0000</pubDate>
		<dc:creator>Mr Gray</dc:creator>
				<category><![CDATA[Addition & Subtraction]]></category>
		<category><![CDATA[Area]]></category>
		<category><![CDATA[Classroom Resources]]></category>
		<category><![CDATA[Data]]></category>
		<category><![CDATA[Length]]></category>
		<category><![CDATA[Mass]]></category>
		<category><![CDATA[Mathematics]]></category>
		<category><![CDATA[Number]]></category>
		<category><![CDATA[Patterns & Algebra]]></category>
		<category><![CDATA[Whole numbers]]></category>
		<category><![CDATA[graph paper]]></category>
		<category><![CDATA[stationary]]></category>

		<guid isPermaLink="false">http://mrgray.id.au/archives/online-graphgrid-paper-resource</guid>
		<description><![CDATA[I needed some graph paper for an activity I was planning on doing with the class today. Of course, I couldn&#8217;t find a pad of the stuff already printed out, so I turned to my friend Google and came across Incompetech.com&#8216;s site which allows me to generate exactly what I needed then download it as [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://incompetech.com/graphpaper/"><img class="alignleft size-full wp-image-325" title="graph-paper" src="http://mrgray.id.au/wp-content/uploads/2007/11/graph-paper.gif" alt="graph-paper" width="117" height="157" /></a>I needed some graph paper for an activity I was planning on doing with the class today. Of course, I couldn&#8217;t find a pad of the stuff already printed out, so I turned to my friend Google and came across <a href="http://incompetech.com/graphpaper/" target="_blank">Incompetech.com</a>&#8216;s site which allows me to generate exactly what I needed then download it as a PDF. They also had a heap of other different types of paper stationery.</p>
]]></content:encoded>
			<wfw:commentRss>http://mrgray.id.au/2007/11/online-graphgrid-paper-resource/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Full Screen Calculator</title>
		<link>http://mrgray.id.au/2007/08/full-screen-calculator/</link>
		<comments>http://mrgray.id.au/2007/08/full-screen-calculator/#comments</comments>
		<pubDate>Wed, 29 Aug 2007 12:15:03 +0000</pubDate>
		<dc:creator>Mr Gray</dc:creator>
				<category><![CDATA[Addition & Subtraction]]></category>
		<category><![CDATA[Interactive White Board]]></category>
		<category><![CDATA[Mathematics]]></category>
		<category><![CDATA[Multiplication & Division]]></category>
		<category><![CDATA[Number]]></category>
		<category><![CDATA[Patterns & Algebra]]></category>
		<category><![CDATA[Whole numbers]]></category>

		<guid isPermaLink="false">http://mrgray.id.au/archives/full-screen-calculator</guid>
		<description><![CDATA[From Ambleside Primary School website, comes this Full Screen Calculator. Perfect for those times when you need it real big to show the whole class!! Ambleside have a heap of other activities perfect for the whiteboard.]]></description>
			<content:encoded><![CDATA[<p>From Ambleside Primary School website, comes this <a href="http://www.amblesideprimary.com/ambleweb/mentalmaths/Calculator.html" target="_blank">Full Screen Calculator</a>. Perfect for those times when you need it real big to show the whole class!! Ambleside have a heap of other activities perfect for the whiteboard.</p>
<p style="text-align: center;"><a href="http://www.metacalc.com/#/large/"><img class="size-full wp-image-280  aligncenter" title="calculator-image" src="http://mrgray.id.au/wp-content/uploads/2007/08/calculator-image.png" alt="calculator-image" width="204" height="271" /></a></p>
]]></content:encoded>
			<wfw:commentRss>http://mrgray.id.au/2007/08/full-screen-calculator/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
	</channel>
</rss>

