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Explain how to use mental math to add 37+33
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Explain how to use mental math to add 37+33

User Florent Champigny
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2 Answers

5 votes
add 3 to 37 to get 40 and then subtract 3 from 33 to get 30. add 40 and 30 so you get 70 and you don't have to worry about adding or subtracting the other 3's you added & took away since they canceled each other out!
User Michael Reed
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The answer would be 70 and mental math is to break it down to smaller easier pieces
User Markus Hi
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