Integers  +, -, x, /  Basics 06/04/09 PH 01-4 & 5  Bitsy Griffin
Integers Whole numbers and their opposites. Other vocabulary: Opposites 06/04/09 PH 01 4 & 5  Bitsy Griffin
Absolute Value Distance a # is from 0. Always positive. Read as: The absolute value of . . . |-6| 06/04/09 PH 01 4 & 5  Bitsy Griffin
Adding #’s w/same sign: Add absolute values and tack on the sign.  Adding #’s w/ op signs: Find difference of absolute values Take sign of number that “appears” larger 06/04/09 PH 01 4 & 5  Bitsy Griffin
subtracting #’s Add the opposite of the second # 06/04/09 PH 01 4 & 5  Bitsy Griffin
AV on Calculator 2 nd  0 takes you to the catalogue. abs is absolute value. Hit enter. Make sure you close the (). 06/04/09 PH 01 4 & 5  Bitsy Griffin
Multiply Positive Integers Multiply or Divide any number of terms Answer is always positive 06/04/09 PH 01 4 & 5  Bitsy Griffin
X or / Mixed or Negative Integers Multiply or divide an even number of negative integers Answer is always positive Multiply or divide an odd number of negative integers Answer is always negative 06/04/09 PH 01 4 & 5  Bitsy Griffin
Caution Watch out for negative integers raised to powers -3^2 (-3)^2 -3^3 (-3)^3 06/04/09 PH 01 4 & 5  Bitsy Griffin
Review How do you add Integers with same sign? How do you add Integers with diff signs? How do you subtract integers? 06/04/09 PH 01 4 & 5  Bitsy Griffin
Review In multiplication / division, how do you know the answer should be positive? Negative? 06/04/09 PH 01 4 & 5  Bitsy Griffin

01-04 & 05 Integers +, -, x, /

  • 1.
    Integers +,-, x, / Basics 06/04/09 PH 01-4 & 5 Bitsy Griffin
  • 2.
    Integers Whole numbersand their opposites. Other vocabulary: Opposites 06/04/09 PH 01 4 & 5 Bitsy Griffin
  • 3.
    Absolute Value Distancea # is from 0. Always positive. Read as: The absolute value of . . . |-6| 06/04/09 PH 01 4 & 5 Bitsy Griffin
  • 4.
    Adding #’s w/samesign: Add absolute values and tack on the sign. Adding #’s w/ op signs: Find difference of absolute values Take sign of number that “appears” larger 06/04/09 PH 01 4 & 5 Bitsy Griffin
  • 5.
    subtracting #’s Addthe opposite of the second # 06/04/09 PH 01 4 & 5 Bitsy Griffin
  • 6.
    AV on Calculator2 nd 0 takes you to the catalogue. abs is absolute value. Hit enter. Make sure you close the (). 06/04/09 PH 01 4 & 5 Bitsy Griffin
  • 7.
    Multiply Positive IntegersMultiply or Divide any number of terms Answer is always positive 06/04/09 PH 01 4 & 5 Bitsy Griffin
  • 8.
    X or /Mixed or Negative Integers Multiply or divide an even number of negative integers Answer is always positive Multiply or divide an odd number of negative integers Answer is always negative 06/04/09 PH 01 4 & 5 Bitsy Griffin
  • 9.
    Caution Watch outfor negative integers raised to powers -3^2 (-3)^2 -3^3 (-3)^3 06/04/09 PH 01 4 & 5 Bitsy Griffin
  • 10.
    Review How doyou add Integers with same sign? How do you add Integers with diff signs? How do you subtract integers? 06/04/09 PH 01 4 & 5 Bitsy Griffin
  • 11.
    Review In multiplication/ division, how do you know the answer should be positive? Negative? 06/04/09 PH 01 4 & 5 Bitsy Griffin

Editor's Notes

  • #2 06/04/09 alg02_11 Bitsy Griffin