9-1 Meaning of Integers
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9-1 Meaning of Integers

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9-1 Meaning of Integers 9-1 Meaning of Integers Presentation Transcript

  • 9-1 Meaning of Integers Math Notes Number Sense 1.5
  • Terminology The coldest temperature ever recorded was in Alaska 1972. It was -80˚F. The hottest temperature reached + 134˚F in Death Valley, CA in 1913. The numbers -80 and + 134 are called INTEGERS. INTEGERS consist of WHOLE numbers and their OPPOSITES
  • Integers Explained
  • Integers Explained
  • Integers Explained 0
  • Integers Explained Zero is neither positive nor negative. 0
  • Integers Explained Zero is neither positive nor negative. 0 Positive Positive integers are greater than 0
  • Integers Explained Zero is neither positive nor negative. 0 + 1 +2 +3 +4 +5 +6 Positive Positive integers are greater than 0
  • Integers Explained Zero is neither positive nor negative. 0 + 1 +2 +3 +4 +5 +6 Negative Positive Negative integers Positive integers are less than 0 are greater than 0
  • Integers Explained Zero is neither positive nor negative. -6 -5 -4 -3 -2 - 1 + 1 +2 +3 +4 +5 +6 0 Negative Positive Negative integers Positive integers are less than 0 are greater than 0
  • Integers Explained Zero is neither positive nor -5 is the opposite of... negative. -6 -5 -4 -3 -2 - 1 + 1 +2 +3 +4 +5 +6 0 Negative Positive Negative integers Positive integers are less than 0 are greater than 0
  • Integers Explained Zero is neither positive nor -5 is the opposite of... negative. +5 ... -6 -5 -4 -3 -2 - 1 + 1 +2 +3 +4 +5 +6 0 Negative Positive Negative integers Positive integers are less than 0 are greater than 0
  • Example of Negatives Word Description Integer The lowest temperature recorded in South Dakota is -60 -60˚F 10 steps backwards -10 90 feet below sea level -90
  • Example of Positives Word Description Integer The highest temperature +109 recorded in Florida is 109˚F 6 steps forward +6 a gain of 20 yards +20