Welcome to Mathnasium’s Math Tricks series. When kids learn their multiplication facts, they often first master their five times tables. But multiplying large numbers by five can get tricky. Today we are using the fact that five is half of ten to multiply an even or odd number by five.
Mathnasium #MathTricks: Number Sense (Multiplication Part 2)
By Mathnasium | March 2, 2022