Rational 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

Is -2 a whole number?

Back

No, -2 is not a whole number; whole numbers are non-negative integers (0, 1, 2, ...).

Front

Is -1.2 an integer?

Back

No, -1.2 is not an integer; integers are whole numbers that can be positive, negative, or zero.

Front

What is the definition of an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

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.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions of integers, while irrational numbers cannot be expressed as simple fractions and have non-repeating, non-terminating decimal expansions.

Front

Can a number be both rational and irrational?

Back

No, a number cannot be both rational and irrational; they are mutually exclusive categories.

Front

Is -3.5 an integer?

Back

No, -3.5 is not an integer; it is a decimal and not a whole number.

Front

What is a graphic organizer in mathematics?

Back

A graphic organizer is a visual representation that helps organize information, such as grouping numbers based on their properties.

Front

What does it mean for a graphic organizer to correctly group numbers?

Back

It means that the numbers are categorized based on their mathematical properties, such as rationality, whole numbers, or integers.