Rational and Irrational

A repeating decimal is what type of number?

• Rational 

• Irrational

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

0.8 is a rational number

• True

• False

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Which of the following is Rational?

• √52

• √18

• √64

• √15

Which of the following is Irrational?

• 83838383...

• 5/2

• √16

• √8

Tags

CCSS.8.NS.A.1

The product of two Irrational numbers is _________________ Rational.

• Always

• Sometimes

• Never

Tags

CCSS.HSN.RN.B.3

Which number is Rational?

• 3 ∕ π

• √15 ∕ 6

• 5.249854116....

• 1.4545454545....

Which statement is Always true?

• Any irrational number added to any rational number is equal to a rational number.

• Any irrational number added to any irrational number is equal to a rational number.

• Any irrational number multiplied by any non-zero rational number is equal to a rational number.

• Any irrational number multiplied by any non-zero rational number is equal to an irrational number.

Tags

CCSS.HSN.RN.B.3

A rectangle has side lengths of 3 inches and √5 inches. Which statement must be true about the area of the rectangle?

• It is a rational number because the product of the side lengths is the rational number 15.

• It is an irrational number because the product of the side lengths is 3√5 an irrational number.

• It is a rational number because the product of √5 and √5 results in 5, a rational number.

• It is an irrational number because the product of the side lengths is √15 an irrational number.

Tags

CCSS.HSN.RN.B.3

Select all that apply. What is a rational number ?

• A rational number is a number that can be written as a fraction.

• A rational number is a terminating decimal.

• A rational number is a decimal that repeats.

• A rational number is a decimal that goes on and on without repeating.

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

• Rational

• Irrational