Big Number Brainwork: How to Solve Word Problems with Large Whole Number Operations
Practice Questions:
1. A company made sales of \(4,567,890,123\) dollars in 2020 and \(3,456,789,012\) dollars in 2021. What was the total sales for both years?
2. The world’s largest forest had \(6,789,012,345\) trees. Due to deforestation, \(1,234,567,890\) trees were cut down. How many trees remain?
3. A charity received donations of \(1,234,567,890\) dollars in the first year and \(9,876,543,210\) dollars in the second year. How much did they receive in total?
4. A city had a water reserve of \(5,678,901,234\) liters. Due to a drought, \(2,345,678,901\) liters evaporated. How much water remains in the reserve?
5. A tech company sold \(7,890,123,456\) devices in the first quarter and \(1,111,111,111\) devices in the second quarter. What was their total sales for both quarters?
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Answers:
1. \(8,024,679,135\) dollars
2. \(5,554,444,455\) trees
3. \(11,111,111,100\) dollars
4. \(3,333,222,333\) liters
5. \(9,001,234,567\) devices
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