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14 Cards in this Set
- Front
- Back
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In addition, the numbers being added are called the _____
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addends
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In subtraction, the number from which something is subtracted is the _____
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minuend
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In subtraction, the number being subtracted is the _____
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subtrahend
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In multiplication, the answer is called the _____
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product
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In multiplication, the numbers being multiplied are called the _____
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factors
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In division, the number being divided is called the _____
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dividend
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In division, the number the dividend is divided by is called the _____
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divisor
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In division, the answer is called the _____
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quotient
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Define: Commutative
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Numbers may be added or multiplied in either order without changing their sum or product.
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Which operations are "commutative"?
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Addition
2 + 3 = 3 + 2 a + b = b + a Multiplication 4 x 5 = 5 x 4 ab = ba |
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Which operations are "associative"?
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Addition
(5+6)+7 = 5+(6+7) (a+b)+c = a+(b+c) Mulitplication (2x3)x4 = 2x(3x4) (ab)c = a(bc) |
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Te parentheses may be changed in a problem without affecting the answer. This describes the _____ operation.
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associative
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Which operations are NOT "associative"?
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subtraction & division
Work within parentheses must be performed first |
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Multiplication is "distributive" over addition and subtraction. Distributive means _____
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If a "sum" or "difference" is to be multiplied by a number, instead of adding or subtracting first and then multiplying, each addend OR the minuend and the subtrahend may be multiplied by the number and the products added or subtracted.
5(6+3) = 5x6 + 5x3 8(10-6) = 8x10 - 8x6 |
