Operations with Rational Numbers

Flashcard
•
Mathematics
•
6th - 7th Grade
•
Hard
+9
Standards-aligned
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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.
Tags
CCSS.5.NBT.A.2
2.
FLASHCARD QUESTION
Front
How do you add fractions with different denominators?
Back
To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
3.
FLASHCARD QUESTION
Front
What is the process to divide fractions?
Back
To divide fractions, multiply the first fraction by the reciprocal of the second fraction.
Tags
CCSS.6.NS.A.1
4.
FLASHCARD QUESTION
Front
How do you convert a mixed number to an improper fraction?
Back
Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.
5.
FLASHCARD QUESTION
Front
What is the least common multiple (LCM)?
Back
The least common multiple is the smallest multiple that two or more numbers share.
6.
FLASHCARD QUESTION
Front
How do you find the greatest common factor (GCF)?
Back
The greatest common factor is the largest number that divides two or more numbers without leaving a remainder.
7.
FLASHCARD QUESTION
Front
What is the formula for finding the sum of two fractions?
Back
Sum = (a/b) + (c/d) = (ad + bc) / bd, where a/b and c/d are the fractions.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
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