Example: 1a

A basket can hold 38 oranges. The shopkeeper kept 20 oranges in the basket. How many more oranges are required to fill the basket?

Explanation:

In the above problem, the number of oranges the basket can hold is 38 and the number of oranges the shopkeeper kept in the basket is 20. Number of oranges required to fill the basket = 38 - 20 = 18

Example: 2a

There were 74 books in the library, out of which 24 books were lost. How many books are left in the library?

Explanation:

In the above problem, the total number of books in the library is 74 and the number of books lost in the library is 24. Therefore, the number of books left in the library = 74 - 24 = 50

Example: 3a

By how much is 43 less than 64?

Explanation:

In the above problem, the greatest number is 64 and the smallest number is 43. Therefore, the difference is 64 - 43 = 21