I feel like it takes students all school year and then some to remember how to convert between fractions, decimals and percents. In Texas, we start with generating equivalent numbers in 6th grade: the time when some teachers and students think math manipulatives and models are no longer needed. I strongly disagree. I struggled with math in school (which I believe is what makes me love teaching math now) and I don't ever remember working with math manipulatives or math models. No fraction…