Math 211 test 2
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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


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)