My Numbers

.85

-7

3

-1/3

Compare and Contrast

.85 < 3

.85 > -7

.85 > -1/3

-7 < 3

-7 < -1/3

3 > -1/3

Least to greatest

-7, -1/3, .85, 3

Absolute value

1. |8.5|-.5=.80

2. |-7|+20=27

3. |3|x10=30

4. |-1/3|+1/3=2/6

Explanation:

Absolute value is the distance

away from zero.

Operations with integers

Addition:

1. 32+58=90

2. -40+10=-30

Subtraction:

1. 80-60=20

2. -70-50=-120 (KCC)

Multiplication:

1. -20x-10=200

2. 5x-11=-55

Division:

1. 24/3=8

2. 64/-8=-8

Real Life math problems

1. I have 34 jelly beans I ate one for

lunch and then found three more. How

many jelly beans will I have?

Solution: 34-1+3=36

36 jelly beans

2. A submarine is -250 feet under water, if

he travels -10 feet a minute how long did it take him to get to -500 feet?

Solution: 500-250/10=25

25 minutes

3. If I have $400 and write a check out for $50,

then find .25 under the couch. How much money

will I end up with if I buy a scooter for $80?

Solution: $400-$50+.25-$80=$270.25

$270.25

Order on a Number Line