Properties of Addition
Order doesn't matter
Commutative Property
Round and estimate to the nearest hundred thousand.
382,463 + 204,369
600,000
34,284 + 2,394 =
36,678
1,089 - 961 =
128
40,700 - 23,984 =
16,716
The sum of anything plus zero is equal to itself.
Identity Property
Round and estimate to the nearest hundred thousand.
549,999 + 893,038
1,400
1,286 + 2,405 =
3,691
22,283 - 14,169 =
8,114
203,056 - 5,213 =
197,843
Grouping of the numbers does not change the sum
Associative Property
Round and estimate to the nearest ten thousand.
29,729 + 32,335
60,000
294,127 + 490,279 =
784,406
47,676 - 16, 521 =
31,155
70,000 - 25,228 =
44,772
Which two properties of addition is illustrated below?
(1,200 + 300) + 800 = (300 + 800) + 1,200
associative and commutative properties
Estimate and round to the nearest thousand.
364,672 + 32,234
397,000
The Bluebird baseball team raised $32,294 for charity in 2024. In 2025, they raised $29,304. How much money did the team raise over the last two years?
$61,598
169,146
Costco got a shipment of product that weighed 4,000 pounds. They unloaded 1,394 pounds worth of product. How many more pounds do they still need to unload?
2,606 pounds
Sammy used addition properties to rewrite the equation below.
1,130 + 382 + 1,827 = n
Provide an equation that he could have written.
What did you write?
Estimate and round to the nearest thousand.
45,463 + 39,707
Estimate and round to the nearest hundred.
45,463 + 39,707
85,000
85,200
Apple sold 354,239 orange iPhone 17 models, 232,387 blue iPhone 17 models, and 947,263 black iPhone 17 models. How many black and orange iPhone 17 models did they sell combined?
1,301,502 black and orange iPhones
735,184 - 255,863 =
479,321
60,000 monarch butterflies migrated to Mexico for the winter. Only 39,834 butterflies survived the journey. How many butterflies did not survive?
20,166 butterflies