Category : 1st Class
Subtraction means taking out something from some bigger unit and finding the outcome as left over.
Subtraction of Two Numbers
It is the process of taking away smaller number from the greater one.
5 - 3 = 2
Subtraction of Figures
5 hours - 2 hours=3 hours
Subtraction of Images
It means taking out picture or pictures from the group of pictures and finding the remaining as the result of the subtraction.
Subtraction in Column
Subtraction in column is done by subtracting the numbers in column. See the examples given below:
Word Problems Based on Subtraction
Like addition, word problems on subtraction are basically the statements, which require solution by means of subtraction only.
James purchased 18 balloons on his birthday and gave 1 balloon to each of his friends. He has 7 friends. How many balloons are left with him?
(a) 11 balloons (b) 10 balloons
(c) 12 balloons (d) All the above
(e) None of these
Explanation: Option (a) is correct because:
18 - 7 = 11 balloons.
Problems Based on Addition and Subtraction Both
In some questions you have to perform both addition and subtraction. See the examples given below:
Solve the sum given below:
5 + 7 + 8 - 9
To solve this sum, first add the numbers with + sign. That is 5 + 7 + 8 = 20 Now subtract 9 from 20. That is 20-9=11. So the answer is 11.
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