Classifying Real Numbers
Comparing and Ordering Real Numbers
REAL Deal
Conversions
Irrational Numbers
100

Which of these numbers is a NATURAL number?

 A) 2.7      B) -3      C) 7      D) 0

7 is a natural/counting number

100

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sqrt 40 ____ 6.8

sqrt 40 < 6.8

100

All rational and Irrational numbers are classified as...

Real
100

Convert 0.38 to a fraction

19/50

100

These types of numbers can not be written as fractions..

Irrational

200

Which of the following is a natural number? 

A) 0.8      B) 1/2      C) -5      D) 12/3

12/3 = 4 ; 4 is a natural number

200

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sqrt 117 ____51/5

Square root of 117 > 51/5

200

Classify the number in as many ways as possible: -6

Integer, rational

200

Convert 8/33 into a decimal.

0.242424...

200

True or False: a non perfect square root is always irrational.

True

300

Which of the following is an integer? 

A) -4/9      B) 12      C) 0.67      D) 1/4

12 is an integer. Integers are whole numbers or their opposites.

300

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4/5 _____ 0.9

4/5 < 0.9

300

Classify the number in as many ways as possible: 0

Whole, Integer, Rational

300

Convert 0.4444... to a fraction

4/9

300

This value commonly used in geometry is an irrational number because it is a decimal that does not terminate...

pi

400
Why is "Pi" an irrational number?
"Pi" is an irrational number because its decimal goes on forever and never repeats. Also, it cannot be written as a fraction.
400

Order the following numbers from least to greatest: 1/2, sqrt 52, -8, 0, -1.3

-8, -1.3, 0, 1/2, sqrt 52

400

 Classify the number in as many ways as possible: -7/8

Rational

400

Convert 0.27272727... to a fraction

3/11

400

An irrational number does not terminate or

repeat

500

Is sqrt 324 a rational or irrational number? How do you know?

The square root of 324 is a rational number because it is equal to 18.

500

Order these numbers from least to greatest: 

sqrt 15, -4, 4.5, 5/8, 9/10

-4, 5/8, 9/10, sqrt 15, 4.5

500

Classify the number in as many ways as possible: sqrt100

Natural, Whole, Integer, Rational

500

Convert 0.120120120... to a fraction

40/333

500

True or False: if you square pi (pi2) it becomes a rational number

False

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