Integers, Factors, Multiples, Rational Numbers

A rational number _____ be written as a fraction. If it is written as a decimal, the decimal ________ or _______ .

• Cannot; never terminates; never repeats.

• Cannot; terminates; repeats

• Can; terminates; repeats

• Can; terminates; never repeats

Integers are whole numbers and their ________.

• Inverses

• Reciprocals

• Square roots

• Opposites

Which numbers below are all elements of the set of rational numbers only?

• 6; -3; 0; √9

• π; √67; 7.8475482051...

• 83; 21; 3; 948

• 2.4217̅; ⅚; -0.86; 3.14

What set do the numbers 0, 95, and √144 belong to?

• Natural

• Integer

• Whole

• Rational

Which of the following numbers is NOT an integer?

• - √36

• 0

• 8/4

• -0.15

To which of the following sets of numbers does √196 belong?

• I only

• I, II, and III only

• III only

• IV only

If a numbers is a real number, which statement must be true?

• The number must be either rational OR irrational.

• The number must be rational AND irrational.

• The number must be rational, and cannot be irrational.

• The number must be irrational, and cannot be rational.

True or False: If a number is classified as an integer, it must also be a whole number.

• True

• False

True or False: Every natural number (aka counting number) is an integer.

• True

• False

True or False: Every whole number is a rational number.

• True

• False