Find the Sum using Addition Property
How to find the sum using addition property?
1. The sum of two numbers does not change if the order of the numbers is changed. This property is expressed by the following examples of addition.
(i) 5 + 7 = 12
7 + 5 = 12
The sum of 5 and 7 is the same as the sum of 7 and 5, i.e., 12
(ii) 64 + 19 = 83
19 + 64 = 83
The sum of 64 and 19 = 83 and also the sum of 19 and 64 = 83
(iii) 235 + 126 = 361
126 + 235 = 361
The sum of 235 + 126 = 361 and also the sum of 126 + 235 = 361
2. The sum of
three numbers does not change even when their grouping is changed. This
property is expressed by the following examples.
(i) If we have to add 5, 7 and 9 we can group and find the sum as follow:
(5 + 7) + 9 = 12 + 9 = 21
(7 + 9) + 5 = 16 + 5 = 21
We see (5 + 7) + 9 = (7 + 9) + 5 = 21 = 5 + 7 + 9 = 21
(ii) We have to find the sum using addition property of 19 + 25 + 21
19 + 21 = 40 + 25 = 65
19 + 25 = 44 + 21 = 65
25 + 21 = 46 + 19 = 65
Thus, 19 + 25 + 21 = 65
i.e., (19 + 21) + 25 = (19 + 25) + 21 = (25 + 21) + 19 = 65 = 19 + 25 + 21
(iii) We have to find the sum of 125 + 265 + 112
125 + 265 = 390 + 112 = 502
265 + 112 = 377 + 125 = 502
125 + 112 = 237 + 265 = 502
Thus, 125 + 265 + 112 = 502
i.e., (125 + 265) + 112 = (265 + 112) + 125 = (125 + 112) + 265 = 502
Hence the grouping of numbers does not affect the addition sum.
3. To find the sum using addition property of a number and zero is the number itself.
as 5 + 0 = 5
32 + 0 = 32
372 + 0 = 372
0 + 9 = 9
0 + 68 = 68
0 + 472 = 472
From Find the Sum using Addition Property to HOME PAGE
Didn't find what you were looking for? Or want to know more information about Math Only Math. Use this Google Search to find what you need.
Recent Articles
-
Counting Numbers from 1 to 50 | Match the Number | Missing Numbers
Apr 04, 25 03:46 PM
In counting numbers from 1 to 50, recognize the numbers, count and then join the numbers in the correct number order. Here we mainly need eye-hand coordination to draw the picture and maintain the num -
Counting Eleven to Twenty with Numbers and Words |Numbers from 11 - 20
Apr 04, 25 03:21 PM
Counting eleven to twenty with numbers and words are explained below. One ten and one more is eleven. Eleven comes after ten. One ten and two more is twelve. Twelve comes after eleven. -
5th Grade BODMAS Rule Worksheet | PEMDAS | Order of operations|Answers
Apr 03, 25 03:11 PM
In 5th Grade BODMAS Rule Worksheet you will get different types of problems on mathematical expressions involving different operations, mathematical expression with 'brackets' and 'of' and simplifying… -
Worksheet on Simplification | Simplify Expressions | BODMAS Questions
Apr 03, 25 02:58 PM
In worksheet on simplification, the questions are based in order to simplify expressions involving more than one bracket by using the steps of removal of brackets. This exercise sheet -
Divisible by 2 Video |Test of Divisibility by 2 Trick| Rules| Examples
Apr 03, 25 10:25 AM
A number is divisible by 2 if the digit at unit place is either 0 or multiple of 2. So a number is divisible by 2 if digit at its units place is 0, 2, 4, 6 or 8.
New! Comments
Have your say about what you just read! Leave me a comment in the box below. Ask a Question or Answer a Question.