This survey research investigated the perception of primary school pupils on the efficacy of MTE in enhancing cognitive achievement in selected primary schools in Ibadan metropolis. A total of 1000 pupils from 50 randomly selected primary schools were the participants in the study which attempted to provide answer to two research questions. A questionnaire was used in collecting data which were analyzed using frequency counts, percentage and t-test. Findings reveal that primary school pupils perceived MTE as good and efficacious in enhancing cognitive achievement, and there was no significant difference in male and female pupils perception of the efficacy of MTE. Based on these findings, it is recommended that MTE should further be intensified in early childhood as its benefits far outweigh its limitations.