1. Less ThanLess Than
Greater ThanGreater Than
or Equalor Equal
““Number Value”Number Value”
44thth
. Grade Math. Grade Math
By Jacqueline LoveBy Jacqueline Love

2. Let’s Get StartedLet’s Get Started
We Are Going ToWe Are Going To
Define the signsDefine the signs
Learn the termsLearn the terms
Pull it all togetherPull it all together

3. When comparing numbers andWhen comparing numbers and
their valuetheir value
We define them using threeWe define them using three
type of signstype of signs

4. http://commons.wikimedia.org/wiki/File:OCR-A_char_Equals_Sign.svg
http://commons.wikimedia.org/wiki/File:OCR-A_char_Less-Than_Sign.svg
http://upload.wikimedia.org/wikipedia/commons/4/4a/Greater_than_symbol.jpg

5. Lets review the terms and signs and whatLets review the terms and signs and what
each one meanseach one means

6. If one number isIf one number is
less than theless than the
compared tocompared to
number, use a “lessnumber, use a “less
than” signthan” sign
http://commons.wikimedia.org/wiki/File:OCR-A_char_Less-Than_Sign.svg

7. If one number isIf one number is
greater than thegreater than the
compared to numbercompared to number
use a “greater than”use a “greater than”
signsign
http://upload.wikimedia.org/wikipedia/commons/4/4a/Greater_than_symbol.jpg

8. The less than and greater than sign lookThe less than and greater than sign look
like the alphabet V laying on its side.like the alphabet V laying on its side.

9. Helpful HintHelpful Hint
An easy way to remember the directionAn easy way to remember the direction
the sign should turn toward, justthe sign should turn toward, just
rememberremember
Big end opens towards biggest numberBig end opens towards biggest number
Pointed end points towards the smallestPointed end points towards the smallest
numbernumber

10. Lets take a look at theLets take a look at the
Third Sign to ReviewThird Sign to Review
If twoIf two
numbers arenumbers are
equal in valueequal in value
whenwhen
comparedcompared
use theuse the
“equal sign”“equal sign”
http://commons.wikimedia.org/wiki/File:OCR-A_char_Equals_Sign.svg

11. Lets pull it all together and apply what weLets pull it all together and apply what we
reviewed following the information andreviewed following the information and
instructions presentedinstructions presented
Apply the Concept

12. First ProblemFirst Problem
Seven is less than, greater than or equalSeven is less than, greater than or equal
to nine? 7_9to nine? 7_9
Answer: Less than 7 9Answer: Less than 7 9
Seven is less than nineSeven is less than nine

13. Second ProblemSecond Problem
Ten is less than, greater than or equal toTen is less than, greater than or equal to
four? 10 _ 4four? 10 _ 4
Answer: Greater than 10 4Answer: Greater than 10 4
Ten is greater than fourTen is greater than four
Lets do one last problemLets do one last problem

14. Third ProblemThird Problem
Five is less than, greater than or equal toFive is less than, greater than or equal to
five? 5 _ 5five? 5 _ 5
Answer: Equal 5 5Answer: Equal 5 5
Five is equal to fiveFive is equal to five

15. Things to RememberThings to Remember
The sign always points at the smallerThe sign always points at the smaller
valuevalue
The open biggest end always opensThe open biggest end always opens
towards the largest valuetowards the largest value

16. For an Extra ChallengeFor an Extra Challenge
Add 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 and
Nine tenths? 65.04 65.09Nine tenths? 65.04 65.09
Answer: Less thanAnswer: Less than
Work with a partner and mentally compareWork with a partner and mentally compare
numbersnumbers

17. Work CitedWork Cited
Antoniodimecio.Less than symbol. WikimediaAntoniodimecio.Less than symbol. Wikimedia
Commons retrievedCommons retrieved
May 21, 2013May 21, 2013
Antoniodimecio.Greater than symbol.Antoniodimecio.Greater than symbol.
Wikimedia Commons retrievedWikimedia Commons retrieved
May 21, 2013May 21, 2013
Antoniodimecio.Equal symbol.WikimediaAntoniodimecio.Equal symbol.Wikimedia
Commons retrieved May 21, 2013Commons retrieved May 21, 2013