Mental Math Courses
Numberphile via YouTube Lightning Calculation and Other "Mathemagic"
TED via YouTube Arithmetic with Monopoly Money - Elementary Mathematics Explained - Lecture 33
Insights into Mathematics via YouTube Multiplication Tricks and Practice - Elementary Mathematics
Insights into Mathematics via YouTube Mathematics without a Calculator - Arithmetic, Fractions, Decimals, Logarithms, and Exponents for MCAT
Medicosis Perfectionalis via YouTube Mental Math Technique: Solving 25%(4/6) + 50%(1/3)
TabletClass Math via YouTube The Most Impressive Math Trick - Remembering and Adding 10 Numbers Instantly
Wrath of Math via YouTube Mental Math Problem: 18 Divided by 3 Times 2 Plus 4
TabletClass Math via YouTube