This activity covers many of the Indiana Standards for grade 5. Below are several of the ones that apply. 5.7.1 View Resource(s) Analyze problems by identifying relationships, telling relevant from irrelevant information, sequencing and prioritizing information, and observing patterns. 5.7.2 View Resource(s) Decide when and how to break a problem into simpler parts. 5.7.3 View Resource(s) Apply strategies and results from simpler problems to solve more complex problems. 5.7.4 View Resource(s) Express solutions clearly and logically by using the appropriate mathematical terms and notation. Support solutions with evidence in both verbal and symbolic work. 5.7.5 View Resource(s) Recognize the relative advantages of exact and approximate solutions to problems and give answers to a specified degree of accuracy. 5.7.6 View Resource(s) Know and apply appropriate methods for estimating results of rational-number computations. 5.7.7 View Resource(s) Make precise calculations and check the validity of the results in the context of the problem. 5.7.8 View Resource(s) Decide whether a solution is reasonable in the context of the original situation.