Irrational Numbers
Ordering Real Numbers
Classify Real Numbers
Rational vs Irrational
100

Numbers that are not rational.

What are irrational numbers

100

To compare and order real numbers, you can approximate irrational numbers as this.

What are decimals

100

True or false. Explain your answer. 

All Irrational numbers are Rational numbers. 

FALSE!

Rational and Irrational have nothing in common. They are different groups. 



100

Is 4/9 rational or irrational? Explain.

Rational.

It is a fraction

200

To find the answer of an imperfect square root

What is approximate/estimate the value

200

Order from greatest to least.

1/4, -2.5, -√(5), and 0.5 

 0.5, 1/4, −√(5), −2.5

200

The number -3 can belong to which sets? 

Integer, Rational, Real

200

Is 31.7878... rational or irrational? Explain.

Rational.

It is a repeating decimal

300

Appoximate √(5)

What is 2.2

300

The √(2) + 4 is compared to 2 + √(4)

What is > (greater than)

300

Square root of 13 can belong to which sets?

Irrational, Real

300

Does irrational numbers terminate? Explain.

No, terminating decimals are rational.

400

Approximate √(3)

What is 1.7

400

The √(5), 2.5 and √(3) from least to greatest.

What is √(3), √(5), 2.5.

400

Square root of 100 can belong to which sets?

Natural, Whole, Integer, Rational, Real

400

Is 44.534593...rational or irrational? Explain.

Irrational.

Decimal does not terminate and does not repeat

500

Approximate √(10)

What is 3.2

500

Arrange from least to greatest 

−0.8,  -√(4), √(12), 0.06

−√(4), −0.8, 0.06, √(12)

500

OH NO

FREE 500 POINTS .....To the team after you

500

Is pi rational or irrational? Explain.

No, pi does not terminate and does not repeat