ISBN-13: 9780387096681 / Angielski / Twarda / 2008 / 310 str.
ISBN-13: 9780387096681 / Angielski / Twarda / 2008 / 310 str.
This work describes tasks that have been used successfully in a range of contexts and countries and are often examples of a broader category of tasks of illustrative of techniques for developing a particular understanding in primary age students.