There were 24 birds in a tree.
20 flew away. How many are left?
If there were 61 eggs on a shelf, and then 31 of them fell down, how many eggs are left?
There were 98 birds in a tree.
36 flew away. How many are left?
If there were 45 eggs on a shelf, and then 20 of them fell down, how many eggs are left?
Benjamin is reading a book with 91 pages. He has read
21 pages. How many pages are left?
The table shows the recorded temperatures in 5 cities. Determine the difference in temperatures between city 4 and city 2.
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