Adding and Subtracting Rational Numbers

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are rational numbers?
Back
Rational numbers are numbers that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.
2.
FLASHCARD QUESTION
Front
How do you add rational numbers with different denominators?
Back
To add rational numbers with different denominators, find a common denominator, convert the fractions, and then add the numerators.
3.
FLASHCARD QUESTION
Front
What is the rule for subtracting rational numbers?
Back
To subtract rational numbers, you can add the opposite of the number being subtracted.
4.
FLASHCARD QUESTION
Front
What is the result of (-⅚) - (⅗)?
Back
-1 13/30
5.
FLASHCARD QUESTION
Front
What is the result of -7 - 2?
Back
-9
6.
FLASHCARD QUESTION
Front
What is the value of 18 - 23.2?
Back
-5.2
7.
FLASHCARD QUESTION
Front
What is 3 + -7?
Back
-4
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