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 product of an integer multiplied by itself. For example, 1, 4, 9, 16, and 25 are perfect squares.

Front

What is the square of 11?

Back

121

Front

What is the square of 6?

Back

36

Front

Which of the following is a perfect square: 39, 50, 6, 81?

Back

81 is a perfect square.

Front

True or False: A perfect square is when a whole number is multiplied by itself?

Back

TRUE

Front

What is the definition of an irrational number?

Back

An irrational number is a number that cannot be expressed as a fraction of two integers. Its decimal representation is non-repeating and non-terminating.

Front

Which of the following decimals are irrational: 3.6777777777777, 0.2, -0.33548, 0.45555657...?

Back

0.45555657... is irrational.

Front

What is the square root of 81?

Back

9

Front

What is the square root of 36?

Back

6

Front

What is the relationship between perfect squares and square roots?

Back

The square root of a perfect square is an integer. For example, the square root of 25 is 5.