I’ve seen this idea many times before, but I’ve most of the pages I’ve seen are too “cutesy” to get away with in 6th grade. I made this one that’s pretty standard and has enough space for kids to adequately explain themselves. Although kids don’t like this kind of assignment, it’s where the standardized tests are trending towards. The more practice kids get, the better prepared they’ll be. I recommend doing a problem everyday that focuses on the topic you’re teaching, so that by the time testing rolls around, your kids are used to these kinds of questions.