Understanding Rational and Irrational Numbers

Rational and Irrational Numbers

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Rational Numbers

Irrational Numbers

Rational and Irrational Numbers are both considered REAL NUMBERS

Multiple Select

Which of the following is a rational number?

• $$\frac{5}{ }$$  

• $$\sqrt{68}$$  

• 1.1462543...

• $$\sqrt{100}$$  

Multiple Choice

Which of the following is an irrational number?

• 0.3

• $$\sqrt{49}$$

• $$\sqrt{8}$$

• $$\frac{5}{22}$$

Multiple Choice

Is $$\sqrt{25}$$   rational or irrational?

• Rational

• Irrational

Multiple Choice

What type of number is a fraction?

• Rational

• Irrational

Multiple Choice

The decimal, 0.12568934....., is:

• Rational

• Irrational

Different Types of Rational Numbers

• Natural, Whole, Integer

• A natural number is a counting number. It starts from 1 (1,2,3,4,5.........)

• A whole number: A counting number or zero. (0, 1, 2, 3, 4......)

• An integer is a whole number or its negative. ( ...... -3, -2, -1, 0, 1, 2, 3.....)

• A rational number can be more than one. For example the number 3 would be a natural number, whole number, and an integer. Meanwhile the number -3 would only be an integer.

Open Ended

The number 0 would be what kind of rational number? (Natural, whole, integer)

Multiple Choice

The number -1.12536789 is what type of number

• Rational

• Whole

• Integer

• Natural

• Irrational

Multiple Choice

Classify the rational number: The number 7 is:

• Natural

• Whole

• Integer

• All the above