Algebra terms, properties, combining and simplifying
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Any single number, variable, or coefficint-variable team in an algebraic expressions | Term
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| The number that multiplies a variable written right next to it in an algebraic expression 2y + 5 | Coefficient
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| A letter that holds the place for a number | Variable
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| A number on its own in an algebraic expression | Constant
(It's "constantly lonely")
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| Rules for combining like terms | 1) Same variables
2) Same powers
3) Constants combine
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| 34 + 0 = 34 | The Identity Property of Addition.
Any number plus zero is that number.
34 + 0 = 34 (The number "keeps its identity.")
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| 17 x 1 = 17 | Identity Property of Multiplication. The product of any number and one is that number (The number "keeps its identity")
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| 4+(8+2) = (4+8)+2 | The Associative Property of Addition
(a+b)+c = a+(b+c)
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| 7(2y + 5) = 14y + 35 | The Distributive Property
a(b+c) = a(b) + a(c)
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| 6 less than r | r - 6
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| Frank is 5 years older than twice Alba's age | 5 + 2a or 2a + 5
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| 3 times the difference of y and 10 | 3(y-10)
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| 17 • 0 = 0 | Zero Property of Multiplication.
Any number times zero is zero
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| 3 + 2 + 1 = 2 + 3 + 1 | Commutative Property of Addition.
The numbers change places but the sum stays the same.
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| a • b = b • a | Commutative Property of Multiplication.
The factors change places but the product stays the same.
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Created by:
ltorff
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