Adding Integers Notes - Song Method

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Adding Integers Notes - Song Method

  1. 1. Add Integers … Or Perhaps a Music Lesson?
  2. 2. Review: What is an integer? <ul><li>An integer is a positive or negative number with no fractional parts. Zero is also an integer. </li></ul><ul><li>For example: -4, 4, -5, 5, -121, 121 … </li></ul>
  3. 3. <ul><li>Today, I will be teaching you how to add integers using the Song Method. </li></ul>
  4. 4. How do I Add Integers? The Song Method <ul><li>To add integers, simply sing this song to the tune of Row, Row, Row, Your Boat: </li></ul>Same signs add and keep Different signs subtract Take the sign of the higher number Then you’ll be exact!
  5. 5. How do I Add Integers? The Song Method <ul><li>Simplify -32 + 41 </li></ul>
  6. 6. How do I Add Integers? The Song Method <ul><li>Simplify -32 + 41 </li></ul><ul><li>1.) Ask yourself: “Same sign or different sign?” </li></ul><ul><li>- These are different signs </li></ul>
  7. 7. How do I Add Integers? The Song Method <ul><li>Simplify -32 + 41 </li></ul><ul><li>2.) Ask yourself: “Do you add or subtract?” </li></ul><ul><li>- Since they are different signs, you subtract </li></ul><ul><li>Different signs subtract </li></ul>
  8. 8. How do I Add Integers? The Song Method <ul><li>Simplify -32 + 41 </li></ul><ul><li>3.) Ask yourself, “Is my answer going to be positive or negative?” </li></ul><ul><li>- 41 is the higher number, so your answer is positive </li></ul><ul><li>Take the sign of the higher number </li></ul><ul><li>Then you’ll be exact! </li></ul>
  9. 9. How do I Add Integers? The Song Method <ul><li>Simplify -32 + 41 </li></ul><ul><li>The answer is 9 </li></ul>

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