MAFS.8.NS.1.1-1.2

What is a rational number?

• A rational number is a number that cannot be written as a fraction

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

• A rational number cannot be a repeating decimal

• A rational number is a never ending never repeating decimal

What type of number is pi?

• Rational

• Irrational

• Integer

• Natural

Which set of numbers contains only rational numbers?

• {2, 4.5, √16, ⅔}

• {-3, -2, √18, 4.2}

• {π, 4, 0.345329..., -√25}

• {√27, π, -√36, 7.234}

Which best describes an irrational number?

• Any number that can be expressed as a fraction

• A positive or negative whole number.

• A number that is a non-terminating, non-repeating decimal.

• A perfect square.

Complete the statement using <, >, or =.

4/7 ___ 3/8

• <

• =

• >

• ≤

Which set of numbers is ordered from least to greatest?

• -0.03, -1/2, 2, 2.5

• -34, -3/5, 0, 12.75

• 0, -1, 1, 2

• -1/4, -2, 0, 1/5

Complete the statement using <, >, or =.

−9.43 ___ −9.34

• >

• <

• =

• none

Order the following set of numbers from least to greatest.

43.18, -43 1/4, -43.3, 43 4/5

• -43.3, -43 1/4, 43.18, 43 4/5

• 43 4/5, 43.18, -43 1/4, -43.3

• -43 1/4, -43.3, 43.18, 43 4/5

• -43.3, -43 1/4, 43 4/5, 43.18