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10 Cards in this Set
- Front
- Back
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How do you add two like signed numbers?
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Add the absolute values and keep the sign: +4 + +10 = 14
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How do you add two unlike signed numbers?
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Subtract the AV of the smaller number from the AV of the larger number and add the sign of the larger number.
+4 - -10 = -7 |
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How do you multiply like signed numbers?
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Multiply the absolute values. The number will always be positive.
-3 x -3 = 9 |
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How do you multiply unlike signed numbers?
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Multiply the absolute values. The number will always be negative.
-3 x +3 = -9 |
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How do you divide like signed numbers?
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Divide the absolute values. The number will always be positive.
+15 d +5 = 3 |
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How do you divide unlike signed numbers?
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Divide the absolute values. The number will always be negative.
+15 d -5 = -3 |
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What is the order of operations?
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Parenthesis, Exponents, Multiply, Divide (left to right), Addition, Subtraction (left to right)
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What is [n]?
[-3(7-2)] |
Absolute (positive) value of the number
The absolute value of 7-2 multiplied by -3= 15 |
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What is the LCM?
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The least common multiple is the smallest number divisible by two numbers.
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How do you find the LCM?
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Prime factor both numbers and multiply the non repeating factos (all of the fictors of the 1st number and nonrepeating factors of the 2nd number.
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