How do you use mental math to find the sum #74+2.6+1.4#?

1 Answer
Nov 15, 2016

Answer:

First in your head, I would add all of the one's to 74.

Next I would add the tenths to the previous result I got.

Explanation:

First in your head, I would add all of the one's to 74.

Next I would add the tenths to the previous result I got.