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Math Chapter 1
Place Value, Multiplication & Expressions
Term | Definition |
---|---|
base | A number used as a repeated factor |
distributive property | The property that states that multiplying and dividing a sum by a number is the same as multiplying or dividing each addend by the number and then adding the products or quotients. Example: 5 x (7 + 9) = (5 x 7) + (5 + 9) |
evaluate | To find the value of an expression |
exponent | A number that tells how many times a base is used as a factor. |
inverse operations | Opposite operations that undo each other; addition and subtraction are inverse operations; multiplication and division are inverse operations. |
numerical expression | A mathematical phrase that has numbers and operation signs but NO EQUAL SIGN. |
order of operations | The process for evaluating expressions. |
period | Each group of three digits separated by commas in a multi-digit number. Example: 2,345,210 (There are THREE periods in this number) |