Properties
The property which states that the grouping of the numbers does not change the sum
*hint*- Has parentheses!
Associative Property of Addition
33,000 + ____= 43,000
10,000
567; tens
570
2,040 + 3,050 =
5,090
2,962 - 845
2,117
The property that states that the order of two numbers added together does not change the sum.
Commutative Property of Addition
28,400 - ____= 28,390
10
45,782; thousands
46,000
2,916 + 4,205 =
7,121
4,785 - 2,293
2,492
For any number, zero plus that number is the number.
Identity Property of Addition
10,000 less than 12,846
2,846
1,457 + 849; hundreds
1,500 + 800 = 2,300
29,380 + 10,225
39,605
39,536 - 18,698
20,838
A letter that represents an unknown number.
Variable
10,000 more than 374.
10,374
63,621 - 41,589; ten thousands
60,000 - 40,000 = 20,000
23,824 + 7,346
31,170
134,006 - 121,387
12,619
Rewrite the equation in a different way:
(13+10)+6
13+(10+6)
Complete the next three numbers of the pattern:
8,901, 8,911, 8,921, ___, ____, ____.
8,931; 8,941; 8,951
27,964 - 4,521; thousands
28,000 - 5,000 = 23,000
743,980 + 511,315
1,255,295
600,843 - 216,954
383,889