Rational Numbers quiz

Numbers like -3, -2, -1, 0, 1, 2, 3 are called

• whole numbers

• integers

• rational numbers

• natural numbers

Answer explanation

Integers are numbers that include both positive and negative whole numbers, including zero. In this case, the numbers -3, -2, -1, 0, 1, 2, 3 are integers.

A rational number can be written as a fraction.

• True

• False

Answer explanation

A rational number can be written as a fraction because it can be expressed as the ratio of two integers.

Tags

CCSS.5.NBT.A.2

0.8 is a rational number

• True

• False

Answer explanation

0.8 is a rational number because it can be expressed as a fraction, 8/10. The correct answer is True.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

0 is a whole number

• True

• False

Answer explanation

True is the correct choice because 0 is a whole number.

Tags

CCSS.2.MD.B.6

-9 is an integer

• True

• False

Answer explanation

An integer is a whole number that can be positive, negative, or zero. -9 is a negative whole number, so it is indeed an integer. Therefore, the correct answer is True.

6 is a rational number

• True

• False

Answer explanation

A rational number is a number that can be expressed as a fraction. Since 6 can be expressed as 6/1, it is a rational number. Therefore, the correct answer is True.

-3.5 is an integer

• True

• False

Answer explanation

An integer is a whole number without any fractional or decimal part. -3.5 has a decimal part, so it is not an integer. Therefore, the correct answer is False.

Which statement is true?

• Every rational number is an integer

• Every whole number is a counting number

• Every integer is a whole number

• Every whole number is a rational number

Answer explanation

Every whole number is a rational number because a whole number can be expressed as a fraction with a denominator of 1.

Classify 17/10

• Whole

• Rational

• Natural

• None of the above

Answer explanation

The expression 17/10 represents a rational number because it can be expressed as a fraction.

Classify the Number: -23

• Rational

• rational, integer

• integer

• rational, whole

Answer explanation

The number -23 is both a rational number and an integer. A rational number is any number that can be expressed as a fraction, and -23 can be expressed as -23/1. An integer is a whole number that can be positive, negative, or zero, and -23 falls into this category.