Flashcardizz: Adding and Subtracting Rational Numbers
Flashcard
•
Mathematics
•
7th Grade
•
Hard
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2 questions
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1.
FLASHCARD QUESTION
Front
Expression equivalent to 9 - 10:
9 - (-10)
,9 + (-10)
,-9+10
,-9 - (-9)
Back
9 + (-10)
Answer explanation
Leave the first number the same and add its opposite when subtracting.
2.
FLASHCARD QUESTION
Front
Can we rewrite any subtraction problem as an addition problem?
Back
True
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