8.NS.1 and 8.NS.2 Review

Front

What type of number is π?

Back

Irrational number, as it cannot be expressed as a fraction of two integers.

Front

What type of number is 0.141414141414...?

Back

Rational number, as it can be expressed as a fraction (14/99).

Front

What is a perfect square?

Back

A number that can be expressed as the square of an integer.

Front

Which two consecutive whole numbers is √40 between?

Back

6 and 7.

Front

What is the value of √25?

Back

5, which is a rational number.

Front

Define a rational number.

Back

A number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Front

Define an irrational number.

Back

A number that cannot be expressed as a simple fraction; its decimal representation is non-repeating and non-terminating.

Front

What is the square root of a perfect square?

Back

It is always a whole number.

Front

What is the square of 9?

Back

81, since 9 x 9 = 81.

Front

Is 64 a perfect square?

Back

Yes, because it is the square of 8.