# Rational and irrational numbers

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## Lesson details

### Key learning points

1. In this lesson, we will explore the concept of rationality and irrationality in numbers, and learn how to classify rational and irrational numbers.

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### 7 Questions

Q1.
All integers are rational numbers
False
Q2.
Recurring decimals such as 0.3333.... are considered as irrational numbers.
True
Q3.
Which of these is an irrational number?
A
B
C
Q4.
Which of these is an irrational number?
A
B
D
Q5.
All rational numbers can be written as a fraction.
False
Q6.
The square root of all square numbers are irrational numbers.