4. Understanding Algorithms: 5:241;en 555a (based on 3.1 #8,15} + 29% +55;;][ 3. Solve each of the problems using the standard algorithm. b. Next to your work for each problem include a labeled illustration that shows how to solve with manipulatives (Include a key for each!). Make sure your steps clearly relate to your work in part a HIP: you might consider using multiple colors.) c. Explain why the phrase "carry the one" makes sense including how it relates to regrou ping and place value