Support for long-term classroom planning and professional development. Information covering important topics for today's educators and parents. World math challenge. For each logic based story problem, stated with an illustration or chart of information, there is a multiple choice question, a solution hint, and a complete explanation of the solution. Audio files are included for the problems and solutions.
Solutions offer insights into nonstandard approaches to the problems.
The solution to this problem is based on the idea of total money. To compute the total money, the sum for the three pairs is divided by two, thus removing the money that is added twice. Calculating total money is an alternative to solving the problem with a system of equations. The full Japanese placement test consists of 225 story problems. Japanese students are given a time limit for each problem, ranging from one to five minutes.