The operation to find the difference between two numbers is called subtraction. Let us know some facts about subtraction that will help us learn how to subtract large numbers.

We know that subtraction takes something away from a group of things. The terms used in subtraction are Minus, Less, Difference, Decrease, Take Away, Deduct. In finding the difference, we write the larger of the two numbers given above and subtract it.

1. The subtraction with small numbers can be worked out horizontally.

Example: 8 – 5 = 3

24 – 4 = 20


2. Large number subtraction is calculated vertically. Numbers are written under the place value board.

Example: Th HTO

8 6 7 2

– 5 4 3 2

3 2 4 0

3. If a zero is subtracted from a number, the value of the number does not change.

Example: HTO

2 5 8

+ 0

2 5 8

4th 1 subtracted from a number gives the predecessor of the number as the difference.

Example:

Facts about subtraction

5. The number from which to subtract the other number is called the minuend. The subtracted number is called the subtrahend and the answer is called the difference.

Example:

Subtraction facts

6th If the subtrahend is missing, the difference is deducted from the minuend.

Minuend – difference = subtrahend.

Example:

Subtraction facts of large numbers

Functionality:

Facts about subtraction

7th To find the missing minuend, add the difference to the subtrahend.

Difference + subtrahend = minuend

Example:

Facts About Subtraction Pic

Functionality:

Facts about subtraction

Note: Here in progress we have Difference + Subtrahend = Minuend. made

Questions and Answers on Facts About Subtraction:

I. Solve the following:

(i) 63-20 =

(ii) 89-53 =

(iii) 50-29 =

(iv) 35-0 =

(v) 95-48 =

(vi) 22-8 =

(vii) 53-46 =

(viii) 72-36 =

(ix) 63-20 =

(x) 29-29 =

(xi) 72-25 =

(xii) 79-29 =

(xiii) 52-33 =

(xiv) 93 – 49 =

(xv) 76-56 =

Reply:

I. (i) 43

(ii) 36

(iii) 21

(iv) 35

(v) 47

(vi) 14

(vii) 7

(viii) 36

(ix) 43

(x) 0

(xi) 47

(xii) 50

(xiii) 19

(xiv) 44

(xv) 20

II. Solve the riddle. Subtract to fill the blank spaces:

Subtraction puzzle

Reply:

II.

Complete the subtraction puzzle

9, 6, 4 and 5, 4, 3

3rd grade math class

From facts to subtraction to the HOMEPAGE


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