The study was carried out to confirm the advantage of a flipped classroom over a conventional one in terms of students, academic achievement. To carry out the study, 100 mathematics students in senior secondary school Hallmark Academy, in Rivers State, Nigeria were used in the study. There were two groups; an experimental and a control group used in the study. A videoCD offline mathematics lesson recorded by the teacher was the ICT instrument in this approach. The t-test was used to analyzed the data. Hence a major finding was that the experimental group had a mean gain of 28.60 as against 16.62 of those in a conventional class in their pretest-posttest scores. A major recommendation is that teachers should incorporate flipped classroom approach as it encourages direct involvement of students in the learning process
Keywords: Inverted, peer instruction, reversed Bloom’s taxonomy