Which property or rule?
5 + 3 = 3 + 5
Communtative
Round 356 to the nearest ten
360
123 + 456 = ______
round each number to the nearest hundred
100 + 500 = 600
100 more than 568
668
10,435 + 15,387
25,822
(6 + 3) + 7 = 6 + (3 + 7)
Associative
Round 45,298 to the nearest thousand
45,000
1,563 + 3,498 = _______
round the the nearest thousand
2,000 + 3,000 = 5,000
10,000 less than 56,334
46,334
7,453 - 2,345= _______
5,108
45 - 0 = 45
Subtraction Rule
Round 567,980 to the nearest hundred thousand
600,000
45,721 + 22,588 = ________
round to the nearest thousand
46,000 + 23,000 = 69,000
1,000 less than 23,456
22,456
234,834 - 38,525 = _________
196,309
0 + 36 = 36
Identity
Round 2,342,886 to the nearest million
2,000,000
34,298 + 65,378 = _______
round to the nearest ten thousand
30,000 + 70,000 = 100,000
686,543
Susie had 234 pumpkins at school. She had her students paint 45 of them. Susie's friend donated 120 more. How many pumpkins were left to paint?
234 - 45 + 120 = 309
(3 + 8) + 9 = 3 + (_____ + 9)
8
Round 4,523,841 to the nearest ten thousand
4,520,000
333,333 + 555,555 = ________
round to the nearest thousand
333,000 + 556,000 = 889,000
664,231
Dax was going fishing with 4,566 worms. He used 1,245 worms. His friend came and used 932 more. How many worms were left after fishing?
4,566 - 1,245 + 932 = 4,253