Rational vs. Irrational?
Square Roots and Perfect Squares
Repeating Decimals to Fractions
100

Is 4.3333... a rational or irrational number?

rational number

100

What is 132

169

100

What is 0.55... as a fraction?

That is 5/9.

200

Is 8.123 a rational or irrational number?

rational number

200

The square root of 89 is between which two numbers?

 9 and 10

200

0.0606... as a fraction

6/99 = 2/33

300

Is square root of 3,  a rational or irrational number?

irrational number

300

Approximate the value of the square root of 13 to the nearest tenth?

 3.6

300

3.456456... as a fraction

What is 3 456/999 = 3 152/333

400

Explain why 5.671038475... is an irrational number.

It is a nonterminating decimal that does not have a pattern, so it cannot be written as a fraction.

400

What is (-18)2

 36

400

0.2323... as a fraction

What is 23/99

500

Which of the following is an irrational number? A. 0.9999... B. 3/5 C. -7 D. 3.928374...

D

500

Place the following in order from least to greatest. 0.76, and the square root of 2, and 3/5

 3/5, 0.76, and square root of 2

500

4.006006...

What is 4 6/999 = 4 2/333

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