Real Numbers Test Review
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What are real numbers?
Back
Real numbers include all the numbers on the number line, including rational numbers (like integers and fractions) and irrational numbers (like √2 and π).
2.
FLASHCARD QUESTION
Front
Define rational numbers.
Back
Rational numbers are numbers that can be expressed as the quotient of two integers, where the denominator is not zero. Examples include 1/2, -3, and 0.75.
3.
FLASHCARD QUESTION
Front
Define irrational numbers.
Back
Irrational numbers are numbers that cannot be expressed as a simple fraction. They have non-repeating, non-terminating decimal expansions. Examples include √2 and π.
Tags
CCSS.8.NS.A.1
4.
FLASHCARD QUESTION
Front
How do you convert a number to scientific notation?
Back
To convert a number to scientific notation, move the decimal point to create a number between 1 and 10, then multiply by 10 raised to the power of the number of places the decimal was moved.
5.
FLASHCARD QUESTION
Front
What is the scientific notation of 46,320,000?
Back
The scientific notation of 46,320,000 is 4.632 × 10^7.
Tags
CCSS.8.EE.A.3
6.
FLASHCARD QUESTION
Front
How do you compare real numbers?
Back
To compare real numbers, convert them to the same form (decimals or fractions) and then determine which is greater or lesser.
Tags
CCSS.6.NS.C.7A
CCSS.6.NS.C.7B
7.
FLASHCARD QUESTION
Front
What is a Venn diagram?
Back
A Venn diagram is a visual representation used to show the relationships between different sets, including overlaps and differences.
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