# The Math You Need When You Need It

- Slides: 1

The Math You Need When You Need It Incorporating quantitative skills to improve student success in introductory geoscience laboratory courses Jacquelyn Hams, Department of Earth Science, Los Angeles Valley College, Valley Glen, CA 91401 • • • Unit Conversions Hypsometric Curves Density Slopes Best Fit Line Plotting Points Students complete practice problems and quizzes for each module before taking the final assessments. How do students feel about math? Many instructors have anecdotal evidence but data driven evidence of students’ attitudes, previous background and comfort level with math is collected as part of the implementation of TMYN program at LAVC. The graphs below display the results of representative questions from a Math Attitudinal Survey administered to students using TMYN instructional modules. TMYN modules have been used in multiple earth science lab classes continuously since the summer 2010. The following conclusions are based upon results of the student surveys and are supported by the assessment data. • 92% of the students completed all or some of TMYN modules and assessments. How would you rate your past math experiences? Student Profile 50 40 30 20 10 0 Los Angeles Valley College (LAVC) is one of the nine two-year colleges that comprise the Los Angeles Community College District. LAVC is located in the eastern San Fernando Valley, just north of downtown Los Angeles. The college enrollment is approximately 18, 500 students. Student profile statistics for the college and TMYN surveyed classes are presented below. LAVC Ethnicity Conclusions What math classes have you taken in college? • 33% of the students felt that the Unit Conversions modules were the most challenging. 40 14 36 Excellent 43 Good Fair • 54% of the students felt that Plotting Points was the easiest module. 30 7 20 % Students Poor 31 39 39 23 10 % Students 0 General Pre-Algebra Mathematics What is your comfort level with mathematics? Math Attitudinal Survey Ethnicity • 31% of the students learned the most from the Unit Conversions modules. Algebra • 60% of the students reported that TMYN modules helped them understand quantitative material presented in the class. Geometry Oceanography Assessment Scores Summer 2010 Pilot Project How important are math skills in your life? 98 TMYN Orientation TMYN Pre-test Topographic Maps Slopes Plate Tectonics Unit Conversions Rearranging Equations Earthquakes and Seismology Minerals Plotting Points Best Fit Line Density Figure 1 a. LAVC Age Math Attitudinal Survey Age Bathymetry Properties of Water Plate Tectonics TMYN Module/s TMYN Orientation TMYN Pre-test Hypsometric Curves Plotting Points Best Fit Line Density Unit Conversions Rearranging Equations Figure 1 b. Figure 1 c. (left) is a screenshot of the gradebook feature in TMYN tutorial program. Instructors can select questions to be assessed, assign point values, and view the total points. Grade information can also be downloaded into excel format and exported into other grading programs if needed. e e fo nc om y U co m fo r rta ta bl bl e ly 23 Important Neutral What is the highest level of math class you took in high school? What was the average grade in these math classes? Best Fit Line 64 Plotting Points 0 % Students M od er a 15 Slopes 84 50 62 Very Ve r te Un fo rta bl bl e bl Co m y C % Students 100 TMYN modules are currently incorporated into classes based on the type of laboratory exercises covered in class. The graphs below show the average assessment scores from each of the laboratory classes using TMYN modules. The last graph shows average assessment scores from different classes which used the same module. Oceanography Lab Fall 2011 Geology Lab Assessment Scores Fall 2010 50 40 30 46 31 20 15 8 % Students 10 0 Algebra Geometry Trigonometry General Mathematics Did you complete all of TMYN modules? 8% 31% Completed all modules 60 50 40 30 20 10 0 8 54 39 B C Not sure Have TMYN practice problems and assessments helped you understand the textbook charts/diagrams and prepare you for the assignments in class? 15% 8% Always 23% None Unit Conversions 100 Rearranging Equations 51 50 80 Interpreting Graphs 55 0 30% Frequently Occasionally Rarely Never Geology Lab Assessment Scores Spring 2012 Slopes 93 88 83 78 73 75 89 Best Fit Line Rearranging Equations 88 100 50 94 88 0 35 Reading Points from a Curve 96 100 76 Best Fit Line Plotting Points 50 79 0 94 Interpreting Graphs Best Fit Line Unit Conversions Best Fit Line 55 100 70 50 Rearranging Equations Plotting Points Average scores for different classes using the same TMYN Modules Oceanography Lab Fall 2012 Some 61% % Students Average scores (%) Course Introduction Oceanography Laboratory topic Course Introduction 15 Hypsometric Curve Density 74 90 Average scores (%) Math Attitudinal Survey Language TMYN Module/s om fo rta LAVC Primary Language Geology Laboratory topic 31 e 15 0 Ve r Figures 1 a and 1 b below are tables prepared from current Oceanography and Geology introductory laboratory syllabi and illustrate how topics from the laboratory courses correlate with the TMYN modules. 31 Co m Students complete TMYN modules in the computer lab before completing the class laboratory exercise for that class session. 70 60 50 40 30 20 10 0 8 78 Average scores (%) 40 30 20 10 The graph on the left shows the assessment results of the six modules incorporated into the summer 2010 pilot study. Unit Conversions Average scores ( %) TMYN modules were incorporated into LAVC classes as a pilot project in the summer 2010. The following modules are typically used for the Geology and Oceanography laboratory classes during the semester: Assessment Results Math Attitudinal Survey Average scores (%) “The Math You Need When You Need It” (TMYN) tutorial program is used at Los Angeles Valley College to provide supplemental instruction and give students the quantitative knowledge they need just before they use it in geoscience courses. TMYN modules were incorporated into an introductory Oceanography lecture class as a pilot study during summer 2010 and are currently used in the introductory Oceanography and Geology laboratory courses. This poster summarizes the implementation process, as well as results from the module assessments and a student attitudinal survey towards math. Classroom Implementation Average scores (%) Introduction [email protected] edu 84 0 60 77 Rearranging Equations Interpreting Graphs Slopes Figure 1 c. www. postersession. com