Quarter 1 RECAP
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an integer?
Back
An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.
2.
FLASHCARD QUESTION
Front
What is a rational number?
Back
A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero. Examples include 1/2, -3, and 0.
3.
FLASHCARD QUESTION
Front
What is an irrational number?
Back
An irrational number is a number that cannot be expressed as a simple fraction. Its decimal representation is non-repeating and non-terminating. Examples include √2 and π.
Tags
CCSS.8.NS.A.1
4.
FLASHCARD QUESTION
Front
What is a whole number?
Back
A whole number is a non-negative integer, which includes 0 and all positive integers. Examples include 0, 1, 2, and 3.
5.
FLASHCARD QUESTION
Front
What does it mean to reflect a point over the y-axis?
Back
Reflecting a point over the y-axis means to create a mirror image of the point across the y-axis. For example, the reflection of (2, -4) is (-2, -4).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
6.
FLASHCARD QUESTION
Front
What is the definition of a real number?
Back
A real number includes all the rational and irrational numbers. It can be represented on the number line.
7.
FLASHCARD QUESTION
Front
What is the diagonal length of a rectangle?
Back
The diagonal length can be found using the Pythagorean theorem: d = √(length² + width²). For an iPad with a length of 9.2 inches, the diagonal is 9.2 inches.
Tags
CCSS.8.G.B.7
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