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 is a rational number?
Back
A rational number is any number 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 two rational numbers with different denominators?
Back
To add two rational numbers with different denominators, find a common denominator, convert each fraction, and then add the numerators.
3.
FLASHCARD QUESTION
Front
What is the process of subtracting rational numbers?
Back
To subtract rational numbers, you can change the subtraction to addition by adding the opposite (negative) of the second number.
4.
FLASHCARD QUESTION
Front
What does 'keep, change, flip' mean in relation to subtraction?
Back
'Keep, change, flip' is a method used to rewrite a subtraction problem as an addition problem by keeping the first number, changing the subtraction to addition, and flipping the second number to its reciprocal.
5.
FLASHCARD QUESTION
Front
Back
6.
FLASHCARD QUESTION
Front
Back
7.
FLASHCARD QUESTION
Front
How do you find the total change in yardage when a team loses and then gains yards?
Back
Subtract the total lost yards from the total gained yards to find the overall change.
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