[Think Academy] Quick Addition Calculation Tutorial - Crystal
Think Academy teacher Crystal is back with another short Think Fancy Math video!
In this video, she teaches how to quickly round up numbers and solve complex addition problems that contain a lot of nines.
The trick that she uses is great for reducing the time it takes to complete these more advanced arithmetic addition sequences.
For those who are interested, you can check out Think Academy's courses here! https://www.thethinkacademy.com/courses