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# Math Word Walls

### expressions and equations

TermDefinition
Identify property of addition *it has a zero in it *regular problem *simple * 66 + 0 = 66
Commutative property of addition * it is the same problem on both sides *flipped the numbers *we get the same answer on both sides * 16 + 7 = 7 + 16
Commutative property of multiplication * the same equation on both sides *numbers are switched *both sides of the equation get the same answer * 5 X 6 = 6 X 5
Associative property of multiplication * parenthesis *same equation on both dies * flip flop the parenthesis * 7 X (2 X 3) = ( 7 X 2) X 3
Distributive property * parenthesis *same equation on both sides *sharing one or more numbers * 3 X (1 + 2) = (3 X 1) + (3 X 2)
Identity property of multiplication * same answer on both sides * using the number one *simple * 6894 X 1= 6894
Associative property of addition * parenthesis * same equation on both dies *switched the parenthesis around the numbers * (2 + 4) + 6= 2 + (4 + 6)
equation a math problem that includes an equal sign, both sides of the equation are equal
Expression numbers, symbols, and operators grouped together that show the value of something (no equal sign)
coefficient the number before a variable which means we multiply 4P- 4 is the coefficient
variable any letter that stands for a number
operator any of the following: addition, subtraction, multiplication, division
order of operations PEMDAD p-parenthesis e-exponent m- multiply d- divide a- add s- subtract
Created by: selizabeth13