Effects of Teaching Strategies and Instructional Materials on the Pupil's Mastery Level in Statistics and Probability for Grade VI

The primary aim of this study is to determine the effects of the strategies, instructional materials used by the teachers in teaching statistics and probability and the problems encountered by the pupils in the mastery of statistics and probability. The respondents of this study are 265 grade six pupils of Bulan North and Bulan South District composed of 6 big schools 3 in Bulan North and 3 in Bulan South. The number of respondents was determined using Slovin’s Formula. To determine the mastery level of the pupils they were given 30-item test 10 items for statistics and 20 items for probability based on the content area of statistics and probability. The pupils were given questionnaire to determine the strategies, instructional materials used by their teachers and the problems they encountered in teaching and learning statistics and probability. Selected pupils in San Francisco Elementary School were asked about the effects of the strategies and instructional materials used in learning statistics and probability. Findings revealed that the mastery level of the pupils in statistics and probability belongs to low level specifically the content area in probability. The strategies used by the teachers were lecture/exposition method, collaborative approach, discovery approach, problem-based approach, differentiated instruction, contextualization or localization and some used game-based approach and none used computer-aided instruction. The commonly used instructional materials were chalk and board, textbooks and workbooks. The pupils encountered many different problems in learning and the most common problems are difficulties in understanding word problems in solving routine and non-routine problems and the class disruption due to some extra-curricular activities and calamities or bad weather. There are different effects of teaching strategies and instructional materials used by the teachers. Pupils learned in the strategies which are interesting to them and find diffi