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Module2 539gcu
Module2 539gcu
Module2 539gcu
Module2 539gcu
Module2 539gcu
Module2 539gcu
Module2 539gcu
Module2 539gcu
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Module2 539gcu

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Transcript

  1. An Introduction toby Tarica Miller<br />
  2. What is Subtraction?<br />Subtraction is removing some objectsfrom a group. The meaning of5-2=3is “Two objects are taken away from a group of five objects and three objects remain".<br />
  3. Subtraction Equations<br />Numbers or Objects<br />Word Problems<br />Word Problem:<br />Mrs. Kay, teacher of grade 3 students has 84 gifts for her students. There are 67 students and each received one gift from the teacher. Find the number of gifts remaining with Mrs. Kay.<br />Solution:<br />Total number of gifts with Laura            =   84<br />Number of gifts distributed to students= - 67<br />Number of gifts left with Laura                = 14<br />
  4. Key Words<br />are not take away<br />differencehave left fewer how many more<br /> decreased by less than subtract<br />remain tallershorter<br />change spent how much more<br />
  5. Your Turn!<br />Alley had 4 packs of bubble gum she gave 2 away to James. How many packs does Alley have left?<br />
  6. If your answer is 2 then you are correct!<br />
  7. Subtraction Summary<br />Subtraction is simply the taken away of any given number of objects.<br /> Remember to look for and underline key words when solving word problems. Also, subtraction is the opposite of addition. <br />Good Luck!<br />
  8. The End<br />

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