Despite research showing the crucial importance of math at a preschool level for future academic success, preschool programs face significant obstacles in implementing an effective math program, ...
A GCSE Maths video about how and why we round numbers to significant figures. Significant figures start at the first non-zero number.
The 2008 SAT Math scores (see table above, click to enlarge) reveal statistically significant ethnic differences. Difference-of-means tests (not reported here) reveal that Asians score significantly ...