Bell Ringer for CS 1.2 - Real Numbers

Front

Express the fraction 7/9 as a decimal.

Back

0.777777...

Front

The √20 is between which two integers?

Back

4 & 5

Front

What are your counting numbers (1,2,3..)?

Back

Natural Numbers

Front

The √40 is between which two consecutive whole numbers?

Back

6 & 7

Front

A number can be rational and irrational.

Back

False

Front

What is 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

What is an irrational number?

Back

A number that cannot be expressed as a simple fraction, e.g., √2, π.

Front

What are whole numbers?

Back

The set of non-negative integers: 0, 1, 2, 3, ...

Front

What is the decimal representation of 1/4?

Back

0.25

Front

What is the square root of 16?

Back

4