The study aims to compare the effectiveness of Guided Inquiry Learning (GIL) and Problem-Based Learning (PBL) model. A number of prior studies have implemented the GIL model for a limited area such as science. Similar to the PBL learning design, the previous studies that highlighted the application of GIL model was commonly targeted to find out…

This researcher has been greatly distressed, as fifth graders year after year have disregarded mental math strategies for the standard algorithm. Mathematically proficient students should be flexible, efficient and accurate when solving mental calculations. This researcher set out to find out how fifth graders' mental math practice improved their…