Repeating Decimals as Fractions/Perfect Squares/Square Roots

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, and 25 are perfect squares.

Front

Calculate 5².

Back

25

Front

What is the square root of 16?

Back

4

Front

Identify the square root of 25.

Back

5

Front

What is a rational number?

Back

A rational number is a number that can be expressed as a fraction, where both the numerator and the denominator are integers.

Front

Is √9 a rational number?

Back

Yes, √9 = 3, which is a rational number.

Front

Which of the following is an irrational number: √2, 1/2, 3, 0?

Back

√2 is an irrational number.

Front

What is the square of 7?

Back

49

Front

Define a repeating decimal.

Back

A repeating decimal is a decimal fraction that eventually repeats the same sequence of digits indefinitely, such as 0.333... or 0.142857142857... .

Front

Convert the repeating decimal 0.666... to a fraction.

Back

2/3