"Master this fundamental skill for future math success!"--Cover.

This resource offers a groundbreaking effort to make mathematics education research on ratios and proportions readily accessible and understandable to preservic

This resource offers a groundbreaking effort to make mathematics education research on ratios and proportions readily accessible and understandable to preservic

Kumon's research has discovered that children learn more easily when they tackle one skill at a time. That's why Kumon Focus on Workbooks shine a spotlight on o

"A series for teaching mathematics."--P. [1] of cover.