Rational Numbers
Flashcard
•
Mathematics
•
7th Grade
•
Medium
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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 absolute value of a number?
Back
The absolute value of a number is its distance from zero on the number line, regardless of direction. It is always a non-negative value.
Tags
CCSS.6.NS.C.7C
3.
FLASHCARD QUESTION
Front
What is the opposite of a number?
Back
The opposite of a number is the number that is the same distance from zero but in the opposite direction. For example, the opposite of 5 is -5.
Tags
CCSS.6.NS.C.6A
4.
FLASHCARD QUESTION
Front
What is the sum of an integer and its opposite?
Back
The sum of an integer and its opposite is always zero.
Tags
CCSS.7.NS.A.1B
5.
FLASHCARD QUESTION
Front
How do you represent a withdrawal of money in integers?
Back
A withdrawal of money is represented as a negative integer. For example, a withdrawal of $100 is represented as -100.
Tags
CCSS.6.NS.C.5
6.
FLASHCARD QUESTION
Front
What is the vertical distance between two points at different elevations?
Back
The vertical distance is found by adding the absolute values of the two elevations. For example, 1200 feet above sea level and 20 feet below sea level have a vertical distance of 1200 + 20 = 1220 feet.
Tags
CCSS.7.NS.A.1C
7.
FLASHCARD QUESTION
Front
If a submarine is at -1800 feet and dives another 1500 feet deeper, what is its new depth?
Back
The new depth is -1800 - 1500 = -3300 feet.
Tags
CCSS.7.NS.A.1C
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