Chapter 2 - Properties of Real Numbers

The Number System

100

Is the number 26 a whole number? Integer? Rational Number?

Yes, Yes, Yes

200

Is the number -4 a whole number? Integer? Rational Number?

No, Yes, Yes

300

Is the number 0 a whole number? Integer? Rational Number? 

Yes, Yes, Yes

400

Is the number -9.5 a whole number? Integer? Rational Number?

No, No, Yes

500

Is the number 2.236067 a whole number? Integer? Rational Number?

No, No, No

Ordering Numbers and Inequalities

100

Order the numbers from least to greatest. 

4   -5   -1.6   2   2/3 

-5   -1.6   2/3   2   4

200

6   ____   -17

>

300

Order the numbers from least to greatest. 

0.25   1.3    0.3   -0.81   -1.2

-1.2   -0.81   0.25   0.3   1.3

400

-1.6   ____   -5 

>

500

Order the numbers from least to greatest. 

2.02   4/3   -0.2   -3/10   4.222

-3/10   -0.2   4/3   2.02   4.222

Opposite Numbers and Absolute Value

100

If b =  4.5, what is -b?

-b = -4.5

200

If k = 32, what is |k|?

|k| = 32

300

If a = -6, what is -a?

-a = 6

400

If m = -76. what is |m|?

|m| = 76

500

If g = -4/5, what is -g?

-g = 4/5

Adding Integers

100

5 + 6

11

200

-7 + 3

-4

300

-12 + 13

1

400

-3 + (-2)

-5

500

-15 + (-10)

-25

Subtracting Integers

100

6 - 10

-4

200

36 - 16

20

300

2 - (-4)

6

400

9 - (-13)

22

500

-11 - (-4)

-7