Number Classification Review

Decimals are always rational if they end.

• True: 0.2349927 and 0.4444 alike are rational because they end.

• False: No pattern is always irrational.

• True: All decimal numbers are rational, it doesn't matter.

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

T or F: The decimal 0.234234234... is rational.

• True: If the decimal shows a repeated pattern, then the number is Rational whether it ends or not.

• False: It goes on forever so therefore the number is Irrational.

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Match this definition to the proper Vocabulary Word:

This number can be written as a ratio of two integers

• Rational

• Irrational

• Imaginary

• Real

This number can NOT be written as a ratio of two integers. Decimals like this will go on forever without a repeated pattern. Square roots of non-perfect squares are also like this.

• Rational

• Irrational

• Imaginary

• Real

Tags

CCSS.8.NS.A.1

Where would you place -6?

• In the whole number circle because it's a whole number, integer, and rational number.

• In the integer circle because it's an integer and rational number only.

• In the rational circle because it's only a rational number.

• I'm not sure because I don't know what rational means.

Fill in the blank. An integer is ____________ rational.

• sometimes

• always

• never

• only on Mondays

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

• True

• False

• A

• B

• C

• D

Match All The Real number with the Correct Subset "Group"

• Rational Number

• -1

• Whole Number

• √212

• An Integer but not a Whole Number

• A Natural Number

• 125

• Irrational Number

• 3.14

Explain the error

• -1.2 isn't an integer.

• -2 isn't a whole number and 3.4 isn't a rational number.

• -2 isn't a whole number and -1.2 isn't an integer.

• The numbers are graphed correctly.