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India
Class VIII

Add and subtract numerical surds

Interactive practice questions

Since $\sqrt{12}$12 and $\sqrt{3}$3 are not like radicals, $\sqrt{12}+\sqrt{3}$12+3 cannot be simplified. True or false?

True

A

False

B
Easy
< 1min

Evaluate (to one decimal place if necessary):

Easy
1min

True or False?

$2-\sqrt{2}=\sqrt{2}$22=2

Easy
< 1min

Simplify: $8\sqrt{3}+18\sqrt{3}$83+183

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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