@inbook{1d627a836b8b4468b3273c37331ea853,
title = "Variation in Tool-Based Mathematics Pedagogy",
abstract = "A characteristic in the process of acquiring mathematical knowledge is a dual relationship between variation and invariance. Mathematics activities can be seen as either seeking invariants while varying aspects that define/describe a mathematical situation or seeking to apply invariant mathematical concepts in various situations.",
author = "Allen Leung",
note = "Publisher Copyright: {\textcopyright} 2017 Sense Publishers",
year = "2017",
month = feb,
day = "6",
doi = "10.1007/978-94-6300-782-5_4",
language = "English",
isbn = "9789463007801",
series = "Mathematics Teaching and Learning",
publisher = "Sense Publishers",
pages = "69--84",
editor = "Rongjin Huang and Yeping Li",
booktitle = "Teaching and Learning Mathematics through Variation",
}