I teach the upper grades in my school, yet I continue to see kids who do not even have basic algebra skills in place. As a parent, I'm very aware of what my own children are learning in school. For the most part, I've been happy with their progress, but as they rise in grade level, I'm starting to see more emphasis on a loose understanding of the concepts and less emphasis on skills__particularly skills with arithmetic of fractions. The main problem with what I see with my students and my own children is that kids are taught "concepts" and are not taught skills__unless they're lucky enough to have a teacher who knows better. Most particularly, children are not taught mastery of arithmetic with fractions. Unfortunately, virtually all of their future math education depends on being able to do fractional arithmetic.
So what's a concerned parent/teacher to do? It really requires evaluating what's available in 5th Grade Math Worksheets that have attempted to move to the next level in education and engagement. When's the last time that you wanted to spend more time doing something you hated and dreaded? Top that off with seeing no reason for the chore you so dread in the first place and you have a complete and total recipe for disaster.