...More importantly, I am a very good, patient tutor that explains math. concepts very well. I will gladly help you maximize your ACT Math Score. Addition is like skip-counting: draw a number line 1,2,3,4,5,6,...etc. 2+4 starts at 2 and skips to the right by 4 and wound up with 6, after counts of 4 skips on that number line. (read more)