Checking your subtraction answers
Why it's on BrighterTube
Hand-picked by a BrighterTube curator · found via round-3 back catalogue of a channel Lumen picks video by video · 82% confidenceTeaches checking subtraction answers, a verification method. 2 minutes brief but appropriate for explaining this arithmetic checking technique.
What you'll learn
A 2-minute video from tecmath: “Checking your subtraction answers”.
Video by tecmath, played through YouTube's embedded player.