Estimate - to find the number close to the exact amount (296 is close to 300)., Factor - a number multiplied by another number to find a product (7 x 8 = 56. The number 7 and 8 are _______), Multiply - One must do this to find a product., Place value - the value of each digit in a number based on the location of the digit, Quotient - the number, not including the remainder, that results from divding, Base - a number used as a repeated factor (102 = 10 x 10), Distributive Property - the property that states that multiply a sum by a number is the same as multiplying each addend in the sum by the number and then adding the products [ 7 x 15 = (7 x 10 + 7 x 5)], Evaluate - to find the value of a numerical or algebraic expression, Exponent - a number that shows how many times the base is used at a factor (103 = 10 x 10 x 10), Inverse Operations - opposite operations, or operations that undo each other, such as addition and subtraction or multiplication and division ( 9 x 7 = 63 and 63 ÷ 7 = 9), Numerical Expression - a mathematical phrase that uses only numbers and operation signs and no equal sign (7 + 4 x 2), Order of Operations - a special set of rules which gives the order in which calculations are done in an expression. (Please Excuse My Dear Aunt Sally), Period - each group of three digits separated by commas in a multi-digit number ( 327,123,456),

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