Same Signs
Different Signs
Keep - Keep - Change
Mixed
Rules
100

-2 + -6 

-8

100

9 + (-5)

4

100

-4 - 6

-10

100

-2 - 3

-5

100

What do the letters BMS mean?

Bloomfield Middle School

200

3 + 4

7

200

-12 + 5

-7

200

4 - 11

-7

200

-10 + 30

20

200

What is the next holiday coming up? 

Valentine's Day

300

-7 + -2

-9

300

-16 + 17

1

300

15 - (-7)

22

300

21 - (+5)

16

300

What is the rule, when adding, if the signs are the same?

Add and keep the sign

400

9 + 8 =

17

400

20 + (-3)

17

400

-27 - (-3)

-24

400

62 + (-32)

30

400

What is the rule, when adding integers. if the signs are different?

Subtract and keep the sign of the bigger number

500

-10 + -3

-13

500

16 + (-19)

-3

500

2 - 26

-24

500

-123 - (-24)

99

500

What is the rule for Subtracting Integers?

Keep Change Change  

or

Keep the 1st integer

Change subtraction sign to addition

Change the 2nd integer to its opposite

500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
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500