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Math Vocab #1

Even Numbers Numbers that end in 2, 4, 6, 8, or, 0
Prime Numbers A number with no factors but 1 and itself Example: 7
Composite Numbers A number with more than 2 factors Example: 12
Expression A math sentence without an equal sign Example: 3+8+a
Equations A math sentence with an equal sign Example: 3+8+a=20
Variable A letter that stands for a number Example: 3x = 9, x is a variable
Coefficient A number right beside a variable. It means you multiply. Example : 4x=8, 4 is the coefficient
Term Anything separted by plus or minus signs. Example: 5x + 6y - 9; 5x, 6y, and 9 are all three terms
Outlier A number that doesn't fit with the others. Example: 99, 97, 100, 92, 34; 34 is an outlier
Additive Identity Property Says that any number plus zero is still that number Example: 3 + 0 still equals 3
Multiplicative Identity Property Says that any number times one is still that number. Example: 3 X 1 still equals 3
Created by: whalekj1