To complete the problem, the numbers are added, a sum is generated, and conclusions are related to the real-world situation at Main Elementary School. Jarvis continues, suggesting that these post experience behaviors culminate in the best and highest form of learning where change and increased experience have happened. Most commercial textbook series are concerned with essentially the same mathematical topics, and these topics are important and should be maintained in the school program. These standards identify that the information literate person. Given that disadvantaged students generally have fewer opportunities to learn academic content outside of school, wasted class time due to an unfocused lesson presents a particular problem.