
Square Roots, Cube Roots, and Square Root Estimation
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a perfect square?
Back
A perfect square is a number that can be expressed as the square of an integer. For example, 1, 4, 9, 16 are perfect squares.
Tags
CCSS.8.EE.A.2
2.
FLASHCARD QUESTION
Front
What is a perfect cube?
Back
A perfect cube is a number that can be expressed as the cube of an integer. For example, 1, 8, 27, 64 are perfect cubes.
Tags
CCSS.8.EE.A.2
3.
FLASHCARD QUESTION
Front
What is the square root of a number?
Back
The square root of a number is a value that, when multiplied by itself, gives the original number. For example, √9 = 3 because 3 x 3 = 9.
Tags
CCSS.8.EE.A.2
4.
FLASHCARD QUESTION
Front
What is the cube root of a number?
Back
The cube root of a number is a value that, when multiplied by itself three times, gives the original number. For example, ∛27 = 3 because 3 x 3 x 3 = 27.
Tags
CCSS.8.EE.A.2
5.
FLASHCARD QUESTION
Front
Between which two whole numbers does √50 fall?
Back
√50 falls between 7 and 8.
Tags
CCSS.8.NS.A.2
6.
FLASHCARD QUESTION
Front
Estimate √20 to the nearest whole number.
Back
√20 is approximately 4.47, so it is estimated to be 4.
Tags
CCSS.8.NS.A.2
7.
FLASHCARD QUESTION
Front
What is the cube root of 64?
Back
The cube root of 64 is 4.
Tags
CCSS.8.EE.A.2
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