# Math 211 test 2

 Take away concept- subtraction You actually take it away comparison concept- subtraction Actually comparing the two and finding out the difference between the two Missing addend- subtraction Find out the missing number- kind of like comparison Sharing(partitive) concept- division Passing around one to each until it runs out Measurement(subtractive) concept- division Subtracting the number being divided until it runs out Algorithm Specific set of instructions for carrying out a procedure or solving a problem, usually with the requirement that the procedure terminate at some point Left to right addition An algorithm that begins with the digits on the left Closure property for addition for any whole numbers a + b is a unique whole number Closure property for multiplication For any whole numbers, a*b is a unique whole number Additive Identity a+0=a Identity property for multiplication a * 1 = a Commutative of Addition a+b = b+a Commutative of multiplication a * b = b * a Associative of addition (a + b) + c = a + (b + c) Associative of multiplication (a * b) * c = a * (b * c) Distributive property for multiplication over addition a*(b+c) = (a*b)+(a*c) Authoraustinwilson123 ID9710 Card SetMath 211 test 2 Descriptionmath 211 test 2 Updated2010-03-09T05:50:28Z Show Answers