Identifying Addition Or Subtraction
Identifying Addition Or Subtraction
In the word problems we have to first identify whether addition or subtraction is to performed
Identifying Subtraction:
In the word problems if it is asked to find How many are left or How many more are required , we have to perform subtraction.
In the case out of a total number of things, if the number of one kind of things are given and the number of other kind of things are to be found we have to perform subtraction
Identifying Addition:
In the word problems if it is asked to find the total number of things, or How many in all or How many all together we have to perform addition.
By regularly solving word problems it will become easier for you to identify the addition or subtraction
Let us consider the following example;
A shopkeeper sold 45 books and 34 notebooks. How items did the shopkeeper sell altogether?
Now let us identifying whether addition or subtraction is to performed
As in the word problem we have to find items sold altogether. This shows it is addition.
Illustration 1: Sam needs 81 beads to make a necklace. He has 74 beads with him. How many beads does he need more?
A. Addition
B. Subtraction
C. Both A and B
D None of these
Answer: B
Students / Parents Reviews [10]
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