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Common Core Standard 8.NS.A.1 Questions

Know that numbers that are not rational are called irrational. Understand informally that every number has a decimal expansion; for rational numbers show that the decimal expansion repeats eventually, and convert a decimal expansion which repeats eventually into a rational number.

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Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1

Choose the number that is irrational.

$9/4$
$sqrt16$
$sqrt20736$
$1/sqrt(17)$

Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1

${-5, -0.3, 0, 2, 3/4, pi, 10}$

List all the numbers that are irrational.

Grade 8 Radicals CCSS: 8.NS.A.1

Which of these is a rational number?

$sqrt(1/5)$
$sqrt(1/3)$
$root3 (1/4)$
$root3 (1/8)$

Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1

$pi$ is a rational number.

True
False

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