module2 539gcu
TRANSCRIPT
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An Introduction toby Tarica Miller
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What is Subtraction?Subtraction is removing some objects from a group. The meaning of 5-2=3 is “Two objects are taken away from a group of five objects and three objects remain".
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Subtraction Equations
Numbers or Objects Word ProblemsWord 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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Key Wordsare not take away
difference
have left fewer how many more
decreased by less than subtract
remain taller
shorter
change spent how much more
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Your Turn!Alley had 4packs of bubble gum she gave 2away to James. How many packs does Alley have left?
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If your answer is 2 then you are correct!
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Subtraction SummarySubtraction is simply the taken away of any given number of objects.
Remember to look for and underline key words when solving word problems. Also, subtraction is the opposite of addition.
Good Luck!
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The End