FC: Commutative and Associative Properties I love Math By Chris Watts
1: Commutative property Words in a sum,you can add the numbers in any order. Numbers 4+(-7)=-7+4 Algebra a+b=b+a | of Addition
2: Associative property of Addition Words Changing the grouping of the numbers in a sum doesn't change the sum. Numbers (9+6)+2=9+(6+2) Algebra (a+b)+c=a(b+c)
3: Commutative Property of Multiplication Words In a product,you can multiply the number in any order. Numbers 8(-5)=-5(8) Algebra ab=ba
4: Associative Property of Multiplication Words Changing the group of the numbers in a product does not change the product. Numbers (3*10)*4=3*(10*4) Algebra (ab)c=a(bc)
5: Distributive Property | you need to put the numbers outside of the parentheses.
6: Identity Property of Addition. The sum of a number and the Additive identity,0,is the number. -6+O=-6 a+0=a
7: Identity Property of Multiplication. 1 is the number 4*1=4 a*1=a