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India
Class VIII

Rationalise the denominator

Interactive practice questions

Fill in the blanks to complete the question below.

The number $\sqrt{\frac{2}{7}}$27 can be rewritten without a radical in the denominator by multiplying both the numerator and denominator by $\sqrt{\editable{}}$.

Easy
< 1min

Fill in the blanks to complete the statement below.

Easy
< 1min

Rationalise the denominator for the given expression:

$\frac{1}{\sqrt{11}}$111

Easy
< 1min

Rationalise the denominator and give your answer in the simplest form: $\frac{7}{\sqrt{21}}$721

Easy
1min
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Outcomes

8.NS.P.2

Laws of exponents with integral powers

8.NS.SSCC.2

Square roots using factor method and division method for numbers containing (a) no more than total 4 digits and (b) no more than 2 decimal places

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