Q2 Benchmark Math 24-25 - 8th Grade

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•
Mathematics
•
8th Grade
•
Hard
+5
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 an irrational number?
Back
An irrational number is a number that cannot be expressed as a simple fraction; it cannot be written as a ratio of two integers.
Tags
CCSS.8.NS.A.1
3.
FLASHCARD QUESTION
Front
How do you determine if a number is rational or irrational?
Back
A number is rational if it can be expressed as a fraction (e.g., 1/2, -3, 0.75). If it cannot be expressed as a fraction, such as √2 or π, it is irrational.
4.
FLASHCARD QUESTION
Front
What is the Pythagorean theorem?
Back
The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b): a² + b² = c².
Tags
CCSS.8.G.B.7
5.
FLASHCARD QUESTION
Front
What are the properties of right triangles?
Back
In a right triangle, one angle is exactly 90 degrees, and the side opposite this angle is the longest side, known as the hypotenuse.
Tags
CCSS.HSG.CO.C.10
6.
FLASHCARD QUESTION
Front
How do you find the length of a missing side in a right triangle?
Back
Use the Pythagorean theorem: if you know the lengths of two sides, you can find the third side by rearranging the formula a² + b² = c².
Tags
CCSS.8.G.B.7
7.
FLASHCARD QUESTION
Front
What is standard form in mathematics?
Back
Standard form is a way of writing numbers that are too big or too small to be conveniently written in decimal form. It is expressed as a number between 1 and 10 multiplied by a power of 10.
Tags
CCSS.8.EE.A.3
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