This is a standard algorithm resource that starts with basic addition and gradually becomes more challenging to meet the 4th grade standard. Each page is slightly more difficult, adding a step at a time, such as one place that regroups, then two places, etc.. LeveL A - LeveL E are included for scaffolded instruction and guided practice. There are 8 practice questions for each level. This resource is extremely helpful in figuring out which step students are misunderstanding. Do you need more le