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1.05 Patterns 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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Outcomes

II.N.RN.3

Explain why the sum or product of two rational numbers is rational; that the sum of a rational number and an irrational number is irrational; and that the product of a nonzero rational number and an irrational number is irrational.

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