1. According to the information query of official website, mathematical wide-angle reasoning games include mine-sweeping game, smiling face game, gold coin digging game, and helping small animals find homes to guess their names.

2. Mathematics Wide Angle is a newly added unit in the compulsory education curriculum standard experimental textbook since the first volume of the second grade, and it is a new attempt made by the new textbook in infiltrating mathematical thinking methods into students.