Equal Sign Assessment, First Grade Math, Second Grade Math, Third - Fifth Grade Math Survey, Equality, 1.OA.D.7, math fluency assessment. We often assume that our students know the meaning of the equal sign, however this is a very common place for misconceptions.While students are taught the meaning of the equal sign in first grade (1.OA.D.7), this is actually a standard that takes students many years to fully understand. Students are so used to seeing equations in the same format (x + y = z) wi