IXL | Classify rational numbers using a diagram

Use the diagram to help you answer the question below.

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2.4

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142

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144

Which of the following is a rational number but not an integer?

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2.4

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144

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142

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Learn with an example

question

Use the diagram to help you answer the question below.

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Which of the following is a rational number but not an integer?

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key idea

Whole numbers are counting numbers and 0.

Examples: 0, 1, 2, 3, …

Integers are counting numbers, their opposites, and 0.

Examples: …, -3, -2, -1, 0, 1, 2, 3, …

Rational numbers can be written as

(where a and b are integers, and b is not zero).

Examples:

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-1, 0,

1.87, -0.59

solution

Find the rational number and integer sections of the diagram. The diagram shows that all integers are also rational numbers.

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18, and 84 are rational numbers. See which one is not an integer.

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is a rational number but not an integer.

Looking for more? Try these:

Lesson: Rational numbers

Lesson: Integers

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Lesson: Rational numbers

Lesson: Integers

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