Break apart the addends into hundreds, tens, and ones. Then find the total sum.
112 --->
+293 --->
100 + 10 + 2
200 + 90 + 3
300 + 100 + 5 = 405
965
-238
727
There are 452 cars on one side of the mall. There are 348 cars on the other side of the mall. How many cars are there in all?
800
Break apart the addends into hundreds, tens, and ones. Then find the total sum.
538 --->
+216 --->
500 + 30 + 8
200 + 10 + 6
700 + 40 + 14 = 754
489
-149
340
Mr. Jones has 158 sheets of blue paper, 100 sheets of red paper, and 231 sheets of green paper. How many sheets of paper does he have?
489
439
+314
753
645
-227
418
In the morning, 472 people visit the park. In the afternoon, 439 people visit. How many people in all visit the park during the day?
911
348
+ 19
367
670
-138
532
There are 532 pieces of art at the show. 319 pieces of art are paintings. How many pieces of art are not paintings?
213
526
+103
629
435
-192
243
245 children go to the face-painting event. 114 of the children are boys. How many of the children are girls?
131
753
+152
905
345
-263
82
Jenna has 485 stickers. She gives 65 stickers to her sister and 39 stickers to her brother. How many stickers does Jenna have now?
381
132
+258
390
849
-355
494
There were 370 dog collars in the store. 224 collars were sold in the first week and 127 collars were sold in the second week. How many dog collars are in the store now?
19
224
+157
381
627
-346
281
There were 215 cat toys and 371 dog toys. After some toys were sold, there were 495 toys. How many toys were sold?
91