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Seaside Lake was originally blue because it only had 103 algae plants. Then towns and farms cropped up by the lake. This caused 527 more algae plants to grow, which turned the lake green. About how many algae plants are now in Seaside Lake? Choose the better estimate.
Oakland River held a nest of fish eggs. The nest contained a total of 632 eggs. If 213 of these eggs hatched, about how many did not hatch? Choose the better estimate.
The Cedarburg Tigers sold a total of 7,804 tickets last season. If they sold 4,718 tickets in the first half of the season, about how many tickets did they sell in the second half? Choose the better estimate.
Since he was hired, a chef has served 8,954 adults and 1,775 children. What is the total number of guests served? Choose the better estimate.
Since opening, Big Ben's Burgers has served 9,888 regular fries and 3,388 curly fries to its customers. About how many fries is that? Choose the better estimate.
Mr. Austin built a cabin with 569 logs, and his friend built a cabin with 430 logs. About how many logs did the two of them use? Choose the better estimate.
Mrs. Malone's class raised a total of 830 silkworms, and 426 of them turned into moths. About how many silkworms did not turn into moths? Choose the better estimate.
Last year, an almanac said that the population of Fulton County was 55,190. Currently, 96,556 people live in Fulton County. About how many more people live in Fulton County now? Choose the better estimate.
Exactly a year ago, the volume of Summerfield Lake was 55,660 liters. Right now, its volume is 96,574 liters greater. About how many liters of water does the lake currently hold? Choose the better estimate.
A chain of donut stores sold a total of 98,587 donuts last week. 25,723 of those donuts were powdered. About how many donuts were something other than powdered? Choose the better estimate.