Rational Numbers

The video tutorial introduces integers and rational numbers, explaining their properties and how they can be represented on a number line. It covers the conversion of fractions to decimals for easier plotting and demonstrates how to plot negative fractions on a number line. The tutorial concludes with ordering rational numbers from least to greatest, emphasizing the importance of understanding their positions relative to each other on the number line.

Which of the following is an example of an integer?

• 1/2

• 3

• 0.75

• √2

What is a rational number?

• A number that is always positive

• A number that cannot be expressed as a fraction

• A number that is less than zero

• A number that can be written as a fraction

How is negative 1/5 represented as a decimal?

• -0.5

• -0.2

• -0.25

• -0.1

Where would you plot negative 8/10 on a number line?

• At 0

• At 1

• 8/10 to the left of 0

• 8/10 to the right of 0

Which number is the smallest in the set: -1, -8/10, -1/4, -2/10?

• -2/10

• -1

• -8/10

• -1/4