Flashcard - Approximating Square Roots

Front

What is a square root?

Back

A square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 9 is 3, because 3 x 3 = 9.

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How do you classify the number -0.5?

Back

-0.5 is classified as a rational number because it can be expressed as a fraction (-1/2) and it is also a real number.

Front

Which square root is closest to 8?

Back

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as a fraction of two integers, while irrational numbers cannot be expressed as a simple fraction.

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

Is -5.5 an integer? Why or why not?

Back

No, -5.5 is not an integer because integers do not have decimal points.

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Front

What is the square root of 100?

Back

The square root of 100 is 10.