In this video, I'll show you how to verify or check you answers to addition, subtraction, multiplication, and division problems using the opposite operation.
If you are a teacher or student
looking for online resources to help you understand other things you're having trouble with, go to my website:
http://sites.google.com/site/klinzmannkonnection/
ty so much.......woo hoo never heard of it this way
tammijo765765 2 weeks ago
Checking an addition doing a subtraction does not make sense
just like dividing to check a multiplication
What if you make mistakes during the check?
Will you do the check of the check?
You risk to go on for the eternity...
theprof1958 1 month ago
what program do you use?
YummyBear37 3 months ago
awesome!
skylerchan52 4 months ago
thx thx so much for teaching me this lesson
skylerchan52 4 months ago
i love love your videos so much thank you mr so much my dad say if i learn more than i know more this will!!!!!!!!!!HELP ME IN SCHOOL MATH ROCKS sometimes
skylerchan52 4 months ago