Classify Rational Numbers

Front

What are opposite numbers?

Back

Opposite numbers are pairs of numbers that are the same distance from zero on the number line but in opposite directions. For example, 6 and -6 are opposite numbers.

Front

Is 0 a rational number?

Back

Yes, 0 is a rational number because it can be expressed as a fraction (0/1).

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction, where both the numerator and the denominator are integers, and the denominator is not zero.

Front

Are all integers rational numbers?

Back

Yes, all integers are rational numbers because they can be expressed as a fraction with a denominator of 1.

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero. Examples include -3, -2, -1, 0, 1, 2, 3.

Front

Is -5.5 an integer?

Back

No, -5.5 is not an integer because integers do not have decimal parts.

Front

What is the difference between whole numbers and integers?

Back

Whole numbers are non-negative integers (0, 1, 2, 3, ...), while integers include both positive and negative whole numbers as well as zero.

Front

Can a number be both a rational number and an integer?

Back

Yes, all integers are rational numbers, but not all rational numbers are integers.

Front

What is the decimal representation of 1/2?

Back

The decimal representation of 1/2 is 0.5.

Front

Is 0.8 a rational number?

Back

Yes, 0.8 is a rational number because it can be expressed as 8/10 or 4/5.