Surds
Hong Kong
Stage 1 - Stage 3
Operations with rational and irrational numbers
Interactive practice questions
Is the result of the sum a rational or an irrational number?
$\frac{3}{10}+\frac{7}{8}$310+78
Rational
A
Irrational
B
Easy
< 1min
Is the result of the sum a rational or an irrational number?
$-\frac{2}{7}+\frac{1}{11}$−27+111
Easy
< 1min
Is the result of the sum a rational or an irrational number?
$\frac{3}{11}+\sqrt{7}$311+√7
Easy
< 1min
Is the result of the sum a rational or an irrational number?
$\frac{4}{7}$47 $+$+ $\left(-\frac{9}{11}\right)$(−911)
Easy
< 1min
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