Term
What do you do for like signs when adding?
EX: 10 + 3 |
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Definition
Add and take the sign.
Answer: 13 |
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what do you do for diffrent signs when adding?
EX: -2 + 5 |
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Definition
You subtract and take the sign of the largest absolute value.
Answer: 3 |
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What do you do when subtracting?
EX: -9 - -2 |
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Definition
You use keep, flip, change.
Keep the first set, change the sign and change the sign of the next number. (it will look like this: -9 + 2)
Answer: -7 |
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What do you do when you are multiplying like signs?
EX: -6 x -8 |
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Definition
You multiply the two numbers and if they have like signs, the answer is ALWAYS positive.
Answer: 48 |
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What do you do when you are multiplying diffrent signs?
EX: -11 x 2 |
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Definition
You multiply the two numbers and if they have diffrent signs, the answer is ALWAYS negative.
Answer: -22 |
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Term
What do you do when you are dividing like signs?
EX: -4 / -2 |
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Definition
You divide and if they are like signs, the answer is always positive.(same rule for mulitplying)
Answer: 2 |
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Term
What do you do when you are dividing diffrent signs?
EX:9 / -3 |
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Definition
You divide and if they are diffrent signs, the answer is ALWAYS negative.(same as multiplying)
Answer:-3 |
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