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SAI International School

Sub – Mathematics

Class - IV

Topic – Operations

 Sub Topic :Vertical Subtraction and Word Problems

 Subtraction without Borrowing

TTH TH H T O
8 7 5 9 6
4 2 3 6 5
4 5 2 3 1

 Rules – In order to find the difference between two given numbers, arrange the digits of
subtrahend under those of minuend in the place value chart.

 Now, subtract column wise. That is subtracted ones from ones, tens from tens, hundreds from
hundreds, thousands from thousands, ten thousand from ten thousand and so on.

 Subtraction with Borrowing.

 Step 1 – Subtracting ones, as 2 < 3 ,we borrow 1 ten from tens column , leaving behind 2 ten
so it will be (10+2)=12-3=9

 Step 2- Subtracting tens ,as we are left with 2 tens in tens column so 2-2=0

 Step 3- Subtracting hundreds, as 5< 6, we borrow 1 thousand from thousand column, leaving
behind 4 ten thousand ,so 15-6=9

 Step 4 – Subtracting thousand, as we are left with 4 ten thousand, so 4-2=2.

 Weblink:https://youtu.be/wsh2tia2MsA

 Word Problem