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Number Lines Number lines are a great way to do integerproblems because you can take a look at how the adding/ subtraction, multiplying or dividing works.
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Adding Integers For Example: -4 + -5When both of the numbers have thesame signs then you can treat it likenormal adding then adding the sign they have (-, +)
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Adding Integers For Example: -4 + -5 Answer: 9When both of the numbers have thesame signs then you can treat it likenormal adding then adding the sign they have (-, +)
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Adding Integers For Example: -4 + (- 6) When there is a bracket thenumber in the bracket becomes the opposite. So this problem becomes -4 + 6.
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Adding Integers For Example: -4 + (- 6) Answer: -10 When there is a bracket thenumber in the bracket becomes the opposite. So this problem becomes -4 + 6.
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Subtracting Integers For Example: -10 - 9 You can treat it as 10 +9 because itbecomes positive and it becomes the opposite
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Subtracting Integers For Example: -10 - 9 Answer: 19 You can treat it as 10 +9 because itbecomes positive and it becomes the opposite
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Multiplying Rules: Positive x Positive = PositiveNegative x Negative = PositiveNegative x Positive = NegativePositive x Negative = Negative
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Multiplying Integers Multiplying Rules: Positive x Positive = Positive Negative x Negative = Positive Negative x Positive = Negative Positive x Negative = Negative
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For Example: -4 x -5 = Answer: 20 You can treat this like a normal multiplicationproblem, because a negative integer multiplied by another negative integer is a positive number.
31.
Multiplying Integers For Example: -4 x -5 = Answer: 20 You can treat this like a normal multiplicationproblem, because a negative integer multiplied by another negative integer is a positive number.
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