Classifying Numbers in the Real Number System

An example of an integer is...

• 9.1
• 8/9
• -9
• -2.3

Tags

CCSS.6.NS.C.6

An example of a whole number is:

• 4/9
• -9
• 5.2
• 17

Tags

CCSS.K.CC.B.5

CCSS.K.CC.A.3

CCSS.K.CC.B.4

The natural numbers are also called counting numbers.

• True

• False

Tags

CCSS.K.CC.B.5

CCSS.K.CC.B.4

Integers include all whole numbers and the negative natural numbers.

• True

• False

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.5

Rational numbers include fractions, decimals that end and decimals that repeat.

• True

• False

Tags

CCSS.6.NS.C.6

CCSS.6.NS.A.1

Whole numbers always start with 1.

• True

• False

Which number is irrational?

• .363636

• .25

• 1.4568259....

Tags

CCSS.8.NS.A.1

Which number is irrational?

• 1/2

• 3/4

• $\sqrt{2}$

Tags

CCSS.8.NS.A.1

Classify 15 in the real number system.

• Natural, Whole, Integer, Rational

• Irrational

• Natural, Whole, Rational, Irrational

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.7

Indicate the two integers.

• 11/5, 7

• -6, 6

• 21/8, 4

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B