# Operations of Integers

### Description

Mind Map on Operations of Integers, created by Meggie Kleveland on 22/08/2014.
Mind Map by Meggie Kleveland, updated more than 1 year ago
 Created by Meggie Kleveland almost 10 years ago
211
6

## Resource summary

Operations of Integers
1. Same sign
1. If the signs are the same, add normally and keep that sign.
1. EXAMPLES:
1. 5 + 7 = 12
1. A tip for adding integers: It's like counting on a number line. When you add a positive, you go to the right. When you add a negative, you count to the left.
2. -12 + -10 = -22
2. Different Sign
1. If the signs are different, subtract and take the sign from the bigger number.
1. EXAMPLES:
1. -25 + 30 = 5
1. 4 + -18 = -14
2. Subtraction
1. Same Sign
1. EXAMPLES:
1. 76 - 70 = 6
1. -13 - (-5) = -8
2. Different Sign
1. EXAMPLES:
1. -16 - (8) = -24
1. 20 - (-9) = 29
2. Multiplication
1. Same Sign
1. If the signs are the same, the answer is positive.
1. EXAMPLES:
1. 6 x 4 = 24
1. -7 x -8 = -56
2. Different Sign
1. If the signs are different, the answer is negative.
1. EXAMPLES:
1. -16 x 2 = -32
1. 3 x -11 = -33
2. Division
1. Same Sign
1. If the signs are the same,the answer is positive.
1. EXAMPLES:
1. 35 ÷ 5 = 7
1. -28 ÷ -2 = 14
2. Different Sign
1. If the signs are different, the answer is negative.
1. EXAMPLES:
1. 45 ÷ -15 = -3
1. -27 ÷ 3 = -9

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