Addition
The addition is taking 2 or an ext numbers and adding them together, that is, it is the total sum that 2 or much more numbers.
You are watching: The answer to an addition problem is called the
Example:
How numerous apples space there in all?
There room 7 apologize in one basket and 4 apples in the other. So, we add 7 and 4 to uncover the total variety of apples.
To add 7 and 4, we can count forward 4 procedures from 7
The symbol provided to indicate enhancement is + (plus symbol).
So, 7 and 4 have the right to be composed as 7 + 4
Addition sentence
An addition sentence is a mathematics expression that mirrors two or more values added together and also their sum.
We have the right to write the mathematics expression because that 7 to add 4 amounts to 11 as:
The numbers the are added are referred to as addends and the price to addition is dubbed the sum. In an addition sentence, the addends are included to obtain the sum.
Addition of little numbers deserve to be done using your finger too.
Examples:
Number charts space another method to include numbers.
Example: include 57 and also 16 making use of a hundreds grid.
Step 1: note the larger number. (Here, mark 57) Step 2: If the number come be included is more than 10, break it in tens and also ones. (Here, 16 = 10 + 6) Step 3: jump as many 10s as in the 2nd number. (Here, 57 + 10 = 67) Step 4: move forward as countless ones as in the 2nd number. (Here, 67 + 6 = 73) The number reached is the answer. So, 57 + 16 = 73 |
Vertical Addition
Numbers can additionally be added vertically.
Let’s include 57 and also 16 vertically.
Step 1: write the number one below the other as every the places of the digits. | Step 2: Start including from the persons digit. Create the amount under the ones digit. If the amount of the ones digit is higher than 9, create the ones number of the sum under the ones and also carry front its tens digit to the tens column. | Step 3: add the tens digits. (If there to be a lug forward digit, include it along) |
The numbers with an ext than 2 digits can also be added vertically. We constantly start adding from the ones digit and also move in the direction of the number at the greatest place.
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Example 1: Marie purchase a designer handbag for $231 and also a belt for $199. Just how much walk she invest on both?
To uncover the full cost, we need to add 231 and also 199
We can include the number vertically as:
So, Marie spent $430
Example 2: There are 2415 blue seats and also 2770 red seat in a stadium. How many blue and also red seats are there altogether?
Total number of seats = 2415 + 2770
= 5185 seats
funny Facts Adding 0 to any number provides the sum as the number itself.Adding 1 come a number repeatedly is the very same as counting. |