Review - Real Number System 4th - Gable

The Number System

100

Classify the number:   

17

Natural, Integer, Rational, Real

200

Classify the number:  

- 5

Integer, Rational, Real

300

Classify the number:  

sqrt(59)

Irrational, Real

400

Classify the number:   

3.457457457457...

Rational, Real

500

Classify the number:   

9 2/5

Rational, Real

Roots

100

7sqrt(36)-2

40

200

sqrt(1/4)

1/2

300

root3(125)

5

400

root5(16807)

7

500

sqrt(8)*sqrt(2)

4

Rational Numbers

100

Convert to decimal:

7/11

0.63636363...

200

Convert to fraction:

0.19

19/100

300

Convert to fraction: 

5.2222222...

5 2/9

400

2 1/3 + 5 4/5

8 2/15

500

Convert to decimal:

22/7

3.142857142857...

Rational vs Irrational

100

Place in order from least to greatest:

pi, 1/5, sqrt(5), 7.5

1/5, sq. root of 5, pi, 7.5

200

Find a number in between: 

2 3/5 and 2 4/5

See Exs (2.6 and 2.8)

300

Give me a fraction that creates a decimal with a period of 3 (it repeats every 3 numbers)

See Exs ( ___/999)

400

Which one makes a rational number:

sqrt(7) + sqrt(7), sqrt(7)*sqrt(7), sqrt(7)/sqrt7, sqrt(7)-sqrt(7)

x and /

500

Rational or Irrational:sqrt(-11)

Note real

Other

100

Number of hearts in an octopus

3

200

This common "animal" has 5 "hearts"

Earthworm

300

The human heart has 4 chambers: Two upper and two lower chambers.

How many chambers are in the heart of a cockroach?

13

400

Which "animal" has 32 brains?

Leech

500

Which "animal" has the most "teeth"? 

(14000 to 20000 teeth)

Snails