Real Numbers Practice

What is another name for the counting numbers?

• Basic

• Natural

• Obvious

• Easy

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

Irrational numbers _______ be written as fractions. If they are written as decimals, the decimals ________ and _______ .

• Cannot; never terminate; never repeat

• Cannot; terminate; never repeat

• Can; terminate; repeat

• Can; never terminate; repeat

Whole numbers are the natural numbers and _____.

• Negative numbers

• Fractions

• Zero

• Non-terminating decimals

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 does the number √205 belong to?

• Rational

• Irrational

• Natural

• Integer

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

Which list shows only natural numbers?

• 0, 1, 2, 3, 4, ...

• 1, 2, 3, 4, ...

• -3, -2, -1, 0, 1, 2, 3, ...

• All numbers are natural numbers