Red dragonfly mathematics challenge
© 2010 State of NSW Department of Education and Communities

Edited by Peter Gould, Masami Isoda, and Foo Chuan Eng.
Adapted from the Math Brain Quiz (Red) by Yasuhiro Hosomizu (2006), Sansu Nou Training: Toyokan, originally in Japanese.

Copyright of the English translation of the Math Brain Quiz (Red) is reserved by Masami Isoda.

Cover artwork and red dragonfly images by Stephen Axelsen.

ISBN 9780731386949
SCIS 1485840