Proceeding ICLS 8 "THE IMPLEMENTATION OF LESSON STUDY TOWARDS STUDENTS’ SPATIAL THINKING ABILITY ON MULTIVARIABLE CALCULUS SUBJECTS"

Purnomo, Eko Andy, 0609058501 (2017) Proceeding ICLS 8 "THE IMPLEMENTATION OF LESSON STUDY TOWARDS STUDENTS’ SPATIAL THINKING ABILITY ON MULTIVARIABLE CALCULUS SUBJECTS". Proceeding ICLS 8. ISSN 978-602-98907-8-7

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Abstract

The Multivariable Calculus is an advanced course of Differential Calculus and Integral Calculus. In Multivariable Calculus material, there is Cartesian coordinate material R3. The material drawing a Cartesian coordinate graph of R3 requires a good spatial thinking ability. Based on the observations, the ability of spatial thinking students is still low. Low spatial thinking will affect the mastery of differential and integral subjects for n variables. One of the learning models used to improve the ability ofspatial thinking is PjBL using inquiry approach. Based on those explanations, the researchers implemented lesson study using PjBL learning model and inquiry approach on Multivariable Calculus subjects. The purpose of this Lesson Study is to diagnose the students’ ability of spatial thinking in the Multivariable Calculus subjects. The method of the research was qualitative approach using descriptive analysis. In addition, the instruments used Student’s Activity Sheets, and spatial thinking ability as the evaluation sheet. The result obtained that the students had mastered the concept of drawing R3, determining the distance and applying the concept in drawing solid objects on linear and quadratic equations. Through the implementation of Lesson study, it can be concluded that the ability of studentsspatial thinking is good through the PjBL using inquiry approach. Keywords: Multivariable calculus, Lesson Study, PjBL, Spatial Thinking

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