Integer Operations by Mr. C.

Addition

100

6 + (-2) = ?

4

200

x + y = ?

x = (-5)

y = 9

Your answer is the first number in a six digit code

300

-7 + (-12) =

-19

400

x + y = ?

x = 9

y= (-15)

-6

500

-6 + 3 + (-8) + 4 + 12 = ?

This is the fifth digit in a six digit code

Subtraction

100

8 - 14

 -6

200

-4 - (-11)

This is the third digit in the code in a six digit code

300

x - y

x = (-15)

y = 19

-34

400

-5 - 6 - (-13)

This is the sixth digit of the six digit code

500

5 - 9 - (-15) - 11 - 6

 -16

Multiplication

100

(-5)(-3)

15

200

-8(3)

 -24

300

(-3)(-4)(-1)(-2)

 24

400

-7(-2)(1)(-3) 

Double POINTS

 -42

500

(-3)(-3)(-3)

-27

Division

100

(-14) /(-1)

 14

200

-108/6 

Triple POINTS

-18

300

75/(-75)

 -1

400

-100/(-20)/(5)

This answer is the fourth digit of a six digit code

500

-8/16    Double POINTS!!!!

-1/2

Random

100

Jimmy has 12 bagels. He is sharing them with two others. How many does each get??

This is the second digit of the six digit code

200

The three word rule for subtracting integers

What is "add the opposite"

or keep/change/change

300

The acronym that helps you remember how to add negative and positive integers

SADS

400

A negative plus a negative is ___________

negative

500

If two-thirds of our class is failing how many are passing??

Double Points!!

one-third