Shared Flashcard Set

Details

Title

integers

Description

adding and subtracting

Total Cards

Subject

Mathematics

Level

8th Grade

Created

10/28/2011

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Additional Mathematics Flashcards

Term

-5+7=2

6+-12= -6

-2+10=8

5+-15=-10

Definition

Opposite signs subtract and keep the sign of the larger number.

Term

9+3=12

-4+-9=-13

Definition

Same sign just add and keep the sign.

Term

-7+10=3

4+-7=-3

-3+14=9

8+-12=-4

Definition

Never change the sign of the first number.

Term

-5 - -8=
-5 + +8= 3

8 - 12=
8 + -12= -4

Definition

In subtraction, change sign to addition and then change the next sign. then follow addition rules.