[Click on the blank on the left and center a value. Hit the tab key and enter the other value. Click on the operation that you want to preform.]
Use the calculator above to fill in the blanks in the Shoreline Changes Table for Station 18 that follows.
Look at the table and decide what operation you need to perform to fill in the blank. Position your cursor in the answer box and type in your answer. Push the return key on your keyboard. The correct answer will appear. If your answer was correct it will appear in green. If it was incorrect it will appear in red.
Time Period | Distance (feet) | Rate (feet per year) |
---|---|---|
1852-1930 : (78 years) | + 3,300 feet | + 42.0 feet/year |
1930-1956 : (26 years) | - 1,350 feet | |
1956-1965 : (9 years) | - 52.8 feet/year | |
1965-1974 : (9 years) | - 300 feet | |
1852-1974 : (122 years) | ||
1930-1974 : (44 years) |