By Okotete Victoria Ese
The main purpose of this study was to determined the effects of laboratory and heuristic teaching methods on students’ achievements in junior secondary school mathematics. The study was guided by five research questions and five null hypotheses. The study adopted a quasi-experimental research design. Specifically, the study adopted non-randomized control group design. The study was carried out in Delta Central Senatorial District of Delta State. The population of the study consisted of all the junior secondary school three (JSSIII) students in Okpe education zone which had the total number of 7593 students. The sample was made up of 300 JSSIII mathematics students drawn from the 30 public schools in Okpe educational zone. The instrument for data collection was a Geometric Achievement Test (GAT) adapted from NECO JSS III Examination.