Surds

Hong Kong

Stage 1 - Stage 3

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}$2−√2=√2

Easy

< 1min

Simplify: $8\sqrt{3}+18\sqrt{3}$8√3+18√3

Easy

< 1min

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