6th - Chapter 6 Review

Adding and Subtracting Integers

100

5 + (-8)

-3

200

-6 + 14

8

300

- 7 - 8

-15

400

6 - (-3)

9

500

-18 - (-12)

-6

Multiplying and Dividing Integers

100

(-8)(4)

-32

200

72 -: (-9)

-8

300

(-5)^3

-125

400

-7^2

-49

500

(-2)^7

-128

PEMDAS

100

Evaluate

-20 x 3 ÷ 10 

-6

200

Evaluate

10² ÷ (-5) - 4

100 ÷ (-5) - 4 

-20 - 4

-24

300

Evaluate

(9 - 12)²  + (-17)

(-3)²  + (-17)

9 + (-17)

-8

400

Evaluate

-17 - 24 ÷ (-8) x (-4) - 5²

-17 - 24 ÷ (-8) x (-4) - 25

-17 + 3 x (-4) - 25

-17 - 12 - 25

-29 - 25

-54

500

Evaluate

(-20 + 8 -: (-2))/ ((-2)^3)

(-24) / (-8) = 3

PEMDAS and Absolute Value

100

Evaluate

|-10| + 25 - 9 

10 + 25 - 9

35 - 9

26

200

Evaluate 

|4 + (6 - 11)| x (-3)

|4 + (3 - 11)| x (-3)

|4 + (-8)| x (-3)

|-4| x (-3)

4 x (-3)

-12

300

Evaluate 

| 7 + (-19)| - (4 - 11)

| 7 + (-19)| - (4 - 11)

|-12| - (-7)

12 + 7

19

400

Evaluate

-14 - |-7| + |10 - 12|

-14 - |-7| + |10 - 12|

-14 - |-7| + |-2|

-14 - 7 + 2

-21 + 2

-19

500

Evaluate 

-4|1 - 15 -:(-3) |

-4|1 - 15 -:(-3) |

-4|1 + 5|

-4(6)

-24

Word Problems

100

Heather's retirement fund lost $5,600 in one year, then gained $6,100 the following year. How much did the fund increase or decrease after two years?

-5,600 + 6,100 

$500

200

A football team lost 3 yards on 3 consecutive plays, then gained 13 on the next play. How many yards did the team gain or lose?

Gold star if you can explain whether or not these plays result in a 1st down

(-3)(3) + 13

-9 + 13

4 yard gain

300

A diver is currently 35 feet below sea level, then she descends 16 feet per minute for 4 minutes. What is her new depth?

35 - 16(4)

-35 - 64

-99 or 99 feet below sea level

400

Sales of Iced Caramel Macchiatos have decreased by 108,000 cups over the last 3 weeks. What is the decrease in sales per week?

-108,000 divided by 3

-36,000 cups per week

500

Over the course of five weeks, Melody places gold star wagers on games of Rock, Paper, Scissors. So far, she has lost 20 times, and won only 3 times. If Melody loses 3 gold stars every time she loses a game, but wins 5 gold stars every time she wins a game, what is Melody's average gold star count per week?

[(20)(-3) + (3)(5)]/5

(-60 + 15)/5

(-45/5)

-9 gold stars per week

THIS CATEGORY IS TOO SPICY

100

Evaluate 

(-2 xx -3) - ((-2)2 xx (-3))

(-2 xx -3) - ((-2)2 xx (-3))

6 - (4 x -3)

6 - (-12)

18

200

(-9 + (-4) + 10) x (-8 -(-5) - (-6))

-9

300

(5 + (-5) - (-5))/5 + (-5)(-5) + 5

31

400

Evaluate 

(-2 - (-3) + 4 - (-5)) + (-2)^3

(-2 - (-3) + 4 - (-5)) + (-2)^3

(1 + 4 + 5) + (-2)^3

10 + (-2)^3

10 - 8

2