Rational vs. Irrational

Rational vs. Irrational

Rational

Values that can be written as a fraction.

Look for: fractions, whole numbers, terminating decimals, repeating decimals, and perfect squares.

Irrational

Values that can NOT be written as a fraction.

Look for: Never-ending non-repeating decimals, pi, and imperfect squares.

Multiple Choice

Categorize the following:  $\frac{3}{4}$   

• Rational

• Irrational

Multiple Choice

Categorize the following:  $-32$  

• Rational

• Irrational

Multiple Choice

Categorize the following:  $5.984732...$  

• Rational

• Irrational

Multiple Choice

Categorize the following:  $7.\overline{5}$  

• Rational

• Irrational

Multiple Choice

Categorize the following:  $-2.3$  

• Rational

• Irrational

Multiple Choice

Categorize the following: $\sqrt{36}$  

• Rational

• Irrational

Multiple Choice

Categorize the following: $\sqrt{15}$  

• Rational

• Irrational

Poll

How are you feeling about rational vs. irrational?

• I really need help! (I'm guessing)

• I can get a couple right without guessing.

• I get most correct without guessing.

• I'm feeling good!

• Give me harder problems!