Converting Between
Expressions
Roots
Classification
Mystery
100

4/15

0.2666666....

100

-8 (21)

-168

100

square root of 9

100

What are the five classifications of real numbers?

Natural, Whole, Integers, Rational, and Irrational

100

Evaluate the expression:

207 - 305

-98

200

-9 8/9

-9.88888...

200

5/11 divided by -3/16

-2 7/40

200

negative square root of 144

-12

200

Classify: 5

Natural, Whole, Integer, Rational

200

Evaluate the expression:

-45.5 - 18

-63.5

300

3 25/100

3.25

300

-2 + (-52)

-54

300

square root of -64

not real

300

Classify -19

Integer, Rational
300

Write as a fraction in simplest form:

-8.125

-8 1/8

400

0.43

43/100

400

-13.5 * 3.7

-49.95

400

cubed root of -8

-2

400

Classify: The square root of pi

Irrational

400

Solve the equation:

x2 = 9

x = 3 or x = -3

500

0.777777....

7/9

500

3/8 + (-2/5)

-1/40

500

Estimate the square root of 50

about 7

500

Classify: the square root of 1.21

Rational

500

Order the following real numbers from least to greatest:

 - square root of 25, - 5 9/10, - square root of 27, -5.77777...

-5 9/10,-5.7777...,- square root of 27, -square root of 25,