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Less ThanLess ThanGreater ThanGreater Thanor Equalor Equal““Number Value”Number Value”44thth. Grade Math. Grade MathBy Jacqueline LoveBy Jacqueline Love
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Let’s Get StartedLet’s Get StartedWe Are Going ToWe Are Going ToDefine the signsDefine the signsLearn the termsLearn the termsPull it all togetherPull it all together
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When comparing numbers andWhen comparing numbers andtheir valuetheir valueWe define them using threeWe define them using threetype of signstype of signs
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Lets review the terms and signs and whatLets review the terms and signs and whateach one meanseach one means
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If one number isIf one number isless than theless than thecompared tocompared tonumber, use a “lessnumber, use a “lessthan” signthan” signhttp://commons.wikimedia.org/wiki/File:OCR-A_char_Less-Than_Sign.svg
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If one number isIf one number isgreater than thegreater than thecompared to numbercompared to numberuse a “greater than”use a “greater than”signsignhttp://upload.wikimedia.org/wikipedia/commons/4/4a/Greater_than_symbol.jpg
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The less than and greater than sign lookThe less than and greater than sign looklike the alphabet V laying on its side.like the alphabet V laying on its side.
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Helpful HintHelpful HintAn easy way to remember the directionAn easy way to remember the directionthe sign should turn toward, justthe sign should turn toward, justrememberrememberBig end opens towards biggest numberBig end opens towards biggest numberPointed end points towards the smallestPointed end points towards the smallestnumbernumber
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Lets take a look at theLets take a look at theThird Sign to ReviewThird Sign to ReviewIf twoIf twonumbers arenumbers areequal in valueequal in valuewhenwhencomparedcompareduse theuse the“equal sign”“equal sign”http://commons.wikimedia.org/wiki/File:OCR-A_char_Equals_Sign.svg
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Lets pull it all together and apply what weLets pull it all together and apply what wereviewed following the information andreviewed following the information andinstructions presentedinstructions presentedApply the Concept
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First ProblemFirst ProblemSeven is less than, greater than or equalSeven is less than, greater than or equalto nine? 7_9to nine? 7_9Answer: Less than 7 9Answer: Less than 7 9Seven is less than nineSeven is less than nine
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Second ProblemSecond ProblemTen is less than, greater than or equal toTen is less than, greater than or equal tofour? 10 _ 4four? 10 _ 4Answer: Greater than 10 4Answer: Greater than 10 4Ten is greater than fourTen is greater than fourLets do one last problemLets do one last problem
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Third ProblemThird ProblemFive is less than, greater than or equal toFive is less than, greater than or equal tofive? 5 _ 5five? 5 _ 5Answer: Equal 5 5Answer: Equal 5 5Five is equal to fiveFive is equal to five
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Things to RememberThings to RememberThe sign always points at the smallerThe sign always points at the smallervaluevalueThe open biggest end always opensThe open biggest end always openstowards the largest valuetowards the largest value
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For an Extra ChallengeFor an Extra ChallengeAdd decimals to your number for example:Add decimals to your number for example:Sixty Five and Five Tenths is less than,Sixty Five and Five Tenths is less than,greater than or equal to Sixty Five andgreater than or equal to Sixty Five andNine tenths? 65.04 65.09Nine tenths? 65.04 65.09Answer: Less thanAnswer: Less thanWork with a partner and mentally compareWork with a partner and mentally comparenumbersnumbers
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Work CitedWork CitedAntoniodimecio.Less than symbol. WikimediaAntoniodimecio.Less than symbol. WikimediaCommons retrievedCommons retrievedMay 21, 2013May 21, 2013Antoniodimecio.Greater than symbol.Antoniodimecio.Greater than symbol.Wikimedia Commons retrievedWikimedia Commons retrievedMay 21, 2013May 21, 2013Antoniodimecio.Equal symbol.WikimediaAntoniodimecio.Equal symbol.WikimediaCommons retrieved May 21, 2013Commons retrieved May 21, 2013
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