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### 15 Cards in this Set

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 Properties Statements that are true for every number. Communitive Property of Addition For Any Numbers A and B: A+B = B+A Example: 3+4 = 4+3 Communitive Property of Multiplication For Any Numbers A and B: AxB = BxA Example: 5x6 = 6x5 Associative Property of Addition For Any Numbers A,B,and C: (A+B)+C = A+(B+C) Example: (2+3)+4 = 2+(3+4) Associative Property of Multiplication For Any Numbers A,B and C: (AxB) x C = A x(BxC) Example: (2x4)x6 = 2x(4x6) Additive Identity For Any Number A: A+0=0+A=A Example: 5+0=0+5=5 Multiplicative Identity For Any Number A: Ax1=1xA=A Example: 8x1=1x8=8 Multiplicative Property For Any Number A: Ax0=0xA=0 3x0=0x3=0 Equation Mathematical Sentence with an Equal(=) Sign Example: 7+5=12 Open Sentence Equation That Has Variables, Not True or False Until Proven. Example: x + 7 =19 Solve for x: x = 12 Solution The Value That Makes a Statement True. Example: 12-M=8 Solve: 2,4,7 M=4 Properties of Equalities The Symmetric Property and The Transitive Property are Properties of Equality Symmetric Property For any numbers A and B: If A=B, then B=A Example: 5=x+2 which equals x+2=5 Transitive Property For Any Numbers A, B and C: If A=B and B=C, then A=C Example: 2+3=5 and 5=1+4, then 2+3=1+4 Variable: Place holder for any value symbol. Algebraic Expression: Combo of numbers, variables and operations. Rule # 1: For All Numbers A and B, if A=B,then A may be replaced by B.