Math 227 Midterm 2
Associative Property
(A+B)+C = A + (B+C) or (AxB)(C) = (A)(BxC)
Distributive Property
A(B+C)= (AxB) + (AxC)
Commutative Property
AxB= BxA or w addition
PARTITIVE
How many things in each group
Explain why we can't divide by 0 in PARTITIVE terms
How many things would be in zero equal groups of whole numbers? It doesn't work
Explain why we can't divide by 0 in QUOTATIVE terms
How many times can we subtract 0 before going negative? It doesn't work
PARTITIVE division word problem
I have 16 cookie and 4 friends. If I divide the cookies evenly to all my friends, how many cookies does each friend get?
QUOTATIVE division word problem
I have 16 cookies and every person I meet gets 4 cookies. How many people get cookies until I run out or have less than 4 to give out?
Additive combination word problem
I have 3 dogs and 7 cats. How many dogs and cats do I have in total?
Additive comparison word problem
I have 3 dogs and 7 cats. How many more cats do I have than dogs?
Dividend / Divisor =
Quotient
QUOTATIVE
how many equal groups we can take out of a number before going negative or having a remainder