THE FOURTH GRADE STUDENTS’ LEARNING LEVEL OF THE PUNCTUATION RULES
Teaching punctuation is started from the first year of primary schools. While evaluating students' writings "using punctuation marks correctly" is among the criterion. The purpose of this study is to determine the fourth grade students' ability to use punctuation marks correctly in the context of acquisition targets in Turkish lessons according to the specified evaluation criteria based on the mastery learning model. Survey model was used in the study and 59 fourth grade students participated in it. To collect the data, structured and free texts were used in the study. Based on mastery learning model, the criterion for achieving mastery learning was set as "80 percent of the participants should be able to get minimum 75 points out of 100". Namely, minimum 47 participants' using the punctuation marks with %75 accuracy was counted as successful. According to the findings of the study, it is seen that students' general learning level of all punctuation marks (dot, comma, colon, question mark, quotation mark, dash, exclamation mark, apostrophe, parentheses) were not on mastery learning level.

Keywords
Mastery Learning, Punctuation Rules, Primary School, Punctuation Marks