Sets of Real Numbers

Front

What is a whole number?

Back

A whole number is a non-negative integer, which includes 0 and all positive integers (0, 1, 2, 3, ...).

Tags

TEKS.MATH.8.2A

Front

Which of the following is a whole number: √25, 0, 9?

Back

All of the above are whole numbers.

Tags

TEKS.MATH.8.2A

Front

What are the sets of real numbers?

Back

The sets of real numbers include rational numbers (fractions), irrational numbers (non-repeating, non-terminating decimals), integers, whole numbers, and natural numbers.

Tags

TEKS.MATH.8.2A

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

Front

Is -8 a rational number?

Back

Yes, -8 is a rational number because it can be expressed as -8/1.

Tags

TEKS.MATH.8.2A

Front

What is an integer?

Back

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

Tags

TEKS.MATH.8.2A

Front

Which of the following is an integer: -1, 0, 3?

Back

All of the above are integers.

Tags

TEKS.MATH.8.2A

Front

What is an example of an irrational number?

Back

An example of an irrational number is π (pi), which cannot be expressed as a fraction.

Front

True or False: All integers are rational numbers.

Back

True, because integers can be expressed as a fraction with a denominator of 1.

Tags

TEKS.MATH.8.2A

Front

What is a real number?

Back

A real number is any number that can be found on the number line, including both rational and irrational numbers.

Tags

TEKS.MATH.8.2A