1179326
Descrição
Mapa Mental por Meggie Kleveland, atualizado more than 1 year ago
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Criado por Meggie Kleveland
mais de 10 anos atrás
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Operations of Integers
- Addition
- Same sign
- If the signs are the same, add
normally and keep that sign.
- EXAMPLES:
- 5 + 7
= 12
- 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.
- 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.
- -12 + -10
= -22
- 5 + 7
= 12
- EXAMPLES:
- If the signs are the same, add
normally and keep that sign.
- Different Sign
- If the signs are different, subtract and
take the sign from the bigger number.
- EXAMPLES:
- -25 + 30
= 5
- 4 + -18
= -14
- -25 + 30
= 5
- EXAMPLES:
- If the signs are different, subtract and
take the sign from the bigger number.
- Same sign
- Subtraction
- Same Sign
- Add the opposite of the second
term then follow the adding rules.
- EXAMPLES:
- 76 - 70
= 6
- -13 - (-5)
= -8
- 76 - 70
= 6
- EXAMPLES:
- Add the opposite of the second
term then follow the adding rules.
- Different Sign
- Add the opposite of the second
term then follow the adding rules.
- EXAMPLES:
- -16 - (8)
= -24
- 20 - (-9)
= 29
- -16 - (8)
= -24
- EXAMPLES:
- Add the opposite of the second
term then follow the adding rules.
- Same Sign
- Multiplication
- Same Sign
- If the signs are the same, the
answer is positive.
- EXAMPLES:
- 6 x 4
= 24
- -7 x -8
= -56
- 6 x 4
= 24
- EXAMPLES:
- If the signs are the same, the
answer is positive.
- Different Sign
- If the signs are different, the
answer is negative.
- EXAMPLES:
- -16 x 2
= -32
- 3 x -11
= -33
- -16 x 2
= -32
- EXAMPLES:
- If the signs are different, the
answer is negative.
- Same Sign
- Division
- Same Sign
- If the signs are the same,the
answer is positive.
- EXAMPLES:
- 35 ÷ 5
= 7
- -28 ÷ -2
= 14
- 35 ÷ 5
= 7
- EXAMPLES:
- If the signs are the same,the
answer is positive.
- Different Sign
- If the signs are different, the
answer is negative.
- EXAMPLES:
- 45 ÷ -15
= -3
- -27 ÷ 3
= -9
- 45 ÷ -15
= -3
- EXAMPLES:
- If the signs are different, the
answer is negative.
- Same Sign
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