Volunteer teams identified 73 fish species, 30 corals, and 71 other invertebrates on the reef. How many species of fish, coral, and invertebrates were found in all?
174 species
400
Dominic read 235 pages of a book. He had 192 more pages to read before he was done. How many pages were there in the book?
427 pages
400
the sum of 86, 68, and 38 is 192. What do you also know about the sum of 68, 38, and 86?
It is also 192.
400
The population of Taylorville is 23,945. Ethantown has a population of 12,774. What is the total population of the two communities?
36,719
400
Calvin added 45,273 and 35,687. Will his answer be greater or less than 80,000?
It will be greater than 80,000.
500
Thomas and Avery collect lego dudes. Thomas has 315 lego dudes, and Avery has 186 lego dudes. How many lego dudes do they have altogether?
501 lego dudes
500
There were 10,453 items checked out of the public library one week. The next week, 12,975 items were checked out. A week later, 9,634 items were checked out. How many items were checked out in three weeks?