Tuesday, March 29, 2016

Adding numbers? Regroup them for quicker calculations

Have you ever been given several numbers to add and didn't know where to begin?  Did you think there must be a tip or other shortcut, but somehow in the busyness of life you have somehow forgotten it?  For some of us, we struggle with adding numbers without a calculator, and especially without using paper and a pencil.
Here is a practical tip that just may simplify your life at the perfect time!

When adding numbers, group them so they can be quickly added to other numbers in your list.

Here's an example of grouping numbers.
You are given the following numbers to add, and have only 3 to 5 seconds to add them.
Find the sum of 34 + 63 + 16 + 27.
Solution: Group two pairs of numbers (34 + 16) and (63 + 27).
34 + 16 = 50 and 63 + 27 = 90.
Add the sum of both groups, and you have quickly concluded the solution is 140.

Let's try another one.
Find the sum of 12 + 91 + 9.
In this scenario, there is only one group that needs to be formed, which is (91 + 9).  You can see very quickly that 100 + 12 = 112.

I know you will find this tip to be practical, and can find many ways to simplify your life by utilizing this short-cut.  Please remember to share this with a co-worker or friend!

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