Grade 1 Math 3.10, Add 3 numbers (get the same sum)

First published at 14:10 UTC on March 26th, 2018.

How to find a sum for THREE addends, and how the sum will stay the same in any order of addition. Writing 3 addends for the sum of a set of counters. Writing addition sentences for 3 addends.

Grade 1 Math Playlist
https://www.youtube.com/playlist?l…

MORE
CategoryEducation
SensitivityNormal - Content that is suitable for ages 16 and over
DISCUSS THIS VIDEO