7A - Unit 2: Rational and Irrational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; it cannot be written as a ratio of two integers.

Front

Convert 56% to a fraction in simplest form.

Back

14/25

Front

Convert 0.42 to a fraction in simplest form.

Back

21/50

Front

Which of the following is irrational: 0.444444444, -4/5, π, 0.2?

Back

π

Front

Which number is rational: √20, √64, 6π, √7?

Back

√64

Front

What is the decimal representation of 1/4?

Back

0.25

Front

What is the decimal representation of 3/5?

Back

0.6

Front

What is the square root of 64?

Back

8

Front

What is the value of π (approximately)?

Back

3.14