Chapter 1: Real Number Operations

Number Lines/Absolute Values

100

|15|

15

200

|10| + |-32|

42

300

Write the Integers in order from least to greatest by using <.

9, -8, -9

-9<-8<9

400

Graph the following coordinates on a number line:

A) 2     B) -3.75    C) -9/6

Teacher check

500

A segment has endpoints with the given coordinates. Find the length of the segment and the midpoint.

-12 and 22

length=34

midpoint=5

Adding/Subtracting

100

-19+12

-7

200

-23+(-17)

-40

300

-14-(-7)

-7

400

5/8 - 7/9

-11/72

500

-3.789 + (-1.2)

-4.989

Multiplication

100

4(-6)

-24

200

-7(2)

-14

300

-2(-4)(-6)

-48

400

-3.7(-1.2)

4.44

500

-1/12(-4/5)

1/15

Division

100

-32/-8

4

200

-32 divided by -4 divided by -2

-4

300

-124/0

Undefined

400

-2/3 divided by 1/3

-2

500

4/7 divided by -3/8

-32/21

Order of Operations

100

4+6*8 divided by 2 -14

14

200

3+6²-7-2*4-9

15

300

6-2(9 divided by 3 +8)-6*4

-40

400

4²-1*8+3-7+10 divided by 2

9

500

2³+2[4(3+9)-7]-15+3*6

93