Verna is a student with a learning disability in Ms. Chang's fourth-grade class. Ms. Chang uses whole-group instruction in math. This method is sometimes hard for Verna, who is behind her peers in math. Verna is slow to remember math facts, has trouble keeping numbers straight in columns, and sometimes forgets a step or two when she is computing a problem that requires several steps. Identify the demands in Ms Chang's class that are likely to be challenging for verna