review
Round 451 to the nearest hundred
500
7+0=0
identity property of addition
53,585 in expanded form
50,000+3,000+500+80+5
this property of addition refers to how the numbers are grouped
associative
round 53,585 to the nearest 10
53590
this property of addition refers to how the numbers are ordered
commutative property of addition
round 53585 to the nearest thousand
54,000
(1+9)+4 = (4+9)+1
associative property
round 53, 585 to the nearest hundred thousand
100,000
4+7= 11
7+4=11
commutative property