Rat vs Irrational Numbers

• Rational

• Irrational

Tags

CCSS.8.NS.A.1

Which of the following numbers is not rational?

Tags

CCSS.8.NS.A.1

Determine which of the following examples is irrational.

• A fraction whose denominator is larger than its numerator

• A decimal that never ends but repeats

• A perfect cube root

• A decimal that never ends and never repeats

Tags

CCSS.8.NS.A.1

Which of the following number is rational?

The square root of 2 is an irrational number because...

• all square roots are irrational

• the answer is a decimal that never stops and never repeats

• two is an even number

• the decimal never repeats

• the decimal never stops

Tags

CCSS.8.NS.A.1

Which number is irrational?

• 9.6

• √45

• 3/8

• 3.4 x 10 ⁵

Which of the following numbers is irrational?

• √8

• ¾

• 2

• -1.325

Is the number rational or irrational? (NEGATIVES DON'T MATTER FOR YOUR DECISION)

• Rational

  BECAUSE IT'S A PERFECT SQUARE

  WITH A WHOLE NUMBER ANSWER

• Irrational

  BECAUSE IT'S A NON-PERFECT SQUARE

  WITH A DECIMAL ANSWER

Answer explanation

NON PERFECT SQUARE ROOT: IRRATIONAL

Is the number rational or irrational?

• Rational

• Irrational

Answer explanation

NON PERFECT SQUARE ROOT: IRRATIONAL

Which number is irrational?

• 0.416

• -8/5

• ∛64

• √27

Tags

CCSS.8.NS.A.1