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Instructional powerpoint

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  • 1. Greater Than, Less Than, or Equal To Sara Cooney
  • 2. • Content Area – Mathematics• Grade Level – 3• Summary – The purpose of this instructional power point is to demonstrate how to discern from the greater then, less than, and equal to signs.• Learning Objective – Given the symbols the student will be able to place the three symbols with a 100% accuracy.• Content Standard – Number and operations• Accomplishment – Compare and order numbers up to 10,000 using the words less than, greater than, and equal to, and the symbols <, >, =.• Sources -http://almostunschoolers.blogspot.com/2011/03/shark-math- greater-than-less-than.html , http://www.glogster.com/9voltl/nglog/g- 6mjtt04krjt8163ppddhja0 , http://www.womenssavingclub.com/2011/01/know- financial-health-check/ , http://teachingprintables.com/index.php?main_page=product_info&products_id= 596
  • 3. Greater Than!
  • 4. Greater Than!• The shark wants to eat the biggest number.• 5>2 5 is greater than 2• 9>6• 12 > 5• 7>1• 6 + 5 > 10 6 plus 5 is greater than 10• 12 - 1 > 8 12 minus 1 is greater than 8
  • 5. Less Than!
  • 6. Less Than!• The shark doesn’t want to eat the smallest number.• 2<7 2 is less than 7• 9 < 12• 5 < 15• 3<9• 4 + 4 < 11 4 plus 4 is less than 11• 15 - 2 < 14 15 minus 2 is less than 14
  • 7. Equal To!
  • 8. Equal To!• Two numbers have the same value.• 4=4 4 is equal to 4• 9=9• 12 = 12• 2=2• 10 + 10 = 20 10 plus 10 is equal to 20• 6=9-3 6 equals 9 minus 3
  • 9. Greater Than, Less Than, or Equal To! Try this quiz!• 7=7• 9 < 12• 10 > 6• 4 + 5 < 11• 10 - 2 > 7• 9 + 9 = 18
  • 10. Greater Than, Less Than, or Equal To! Answers!• 7 is equal to 7• 9 is less than 12• 10 is greater than 6• 4 plus 5 is less than 11• 10 minus 2 is greater than 7• 9 plus 9 is equal to 18
  • 11. Have some fun! http://www.abcya.com/comparing_nu mber_values_jr.htm http://www.toonuniversity.com/flash.a sp?err=509&engine=9 http://www.crickweb.co.uk/ks2numer acy-calculation.html
  • 12. Remember…• Greater Than: the sharks mouth is facing the number (or sum) that is largest.• Less Than: the sharks mouth is facing away from the number (or sum) that is smallest.• Equal To: numbers (or sums) on each side have the same value.