Many research shown that students have difficulty in understanding the concepts of integral
calculus. Therefore this research is interested in designing a classroom activity integrated …

The low learning outcomes and student's difficulties in understanding calculus courses,
especially integral topic, encourage us as researcher to design a calculus lesson for first …

Integral is one of major topics in Calculus course. Many university students fail in calculus
course because their understanding on the concept of Integral especially in understanding …

This research aimed to develop local instruction theory that is valid, practical, and effective to
help elementary school students developing their mathematical problem-solving skills …

Some researchers report that students find difficulties in learning definition of definite
integration. Therefore, classroom activities designed with design research method to help …