Development and Validation of Interactive Learning Material in Mathematics 8

This study aimed to develop and validate the researcher-made interactive learning material in Mathematics 8. The research method used in the study is descriptive design. Respondents of the study were 62 teachers from Urdaneta City. To validate the output, the researcher tapped experts to check the validity of the interactive learning material in terms of:(a) Appropriateness of print materials to the planned course,(b)readability of text,(c)suitability of vocabulary, and (d)content validity. And to measure the readability of the text, the researcher used the Flesch Reading Ease Formula. The following are the results of the study:(a) the performance level of the Grade 8 students using the prescribed activity sheets is under the Low Mastery Level; (b) the interactive learning material is in compliance with the K-12 Curriculum Guide under the Most Essential Learning Competencies (MELCs) and has the best features; (c) the respondents gave the highest regard on the quality of the interactive learning material in terms of the following: appropriateness of the print material to the planned course; suitability of vocabulary used in the instrument; and content validity and in terms of readability, the interactive learning material is appropriate for the Grade 8 level.