Operations with Rational Numbers

Flashcard
•
Mathematics
•
6th - 8th Grade
•
Hard
+7
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
What is the product of two negative numbers?
Back
The product of two negative numbers is always positive.
Tags
CCSS.7.NS.A.2A
3.
FLASHCARD QUESTION
Front
What is the product of a positive number and a negative number?
Back
The product of a positive number and a negative number is always negative.
Tags
CCSS.7.NS.A.2A
4.
FLASHCARD QUESTION
Front
How do you find the difference between two fractions?
Back
To find the difference between two fractions, you need a common denominator, then subtract the numerators.
Tags
CCSS.7.NS.A.1C
5.
FLASHCARD QUESTION
Front
What is the sum of two rational numbers?
Back
The sum of two rational numbers is found by adding their numerators over a common denominator.
Tags
CCSS.7.NS.A.1C
6.
FLASHCARD QUESTION
Front
What is the rule for adding two negative numbers?
Back
When adding two negative numbers, the result is negative and you add their absolute values.
Tags
CCSS.7.NS.A.1C
7.
FLASHCARD QUESTION
Front
What is the rule for subtracting a negative number from a positive number?
Back
Subtracting a negative number from a positive number is the same as adding the absolute value of that negative number.
Tags
CCSS.7.NS.A.1C
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