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An Introduction to
What is Subtraction? 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".
Subtraction Equations Numbers or Objects Word Problems Word Problem: 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. Solution: Total number of gifts with Laura            =   84 Number of gifts distributed to students= - 67 Number of gifts left with Laura                = 14

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Multimedia activity551

  • 2. What is Subtraction? 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".
  • 3. Subtraction Equations Numbers or Objects Word Problems Word Problem: 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. Solution: Total number of gifts with Laura            =   84 Number of gifts distributed to students= - 67 Number of gifts left with Laura                = 14