Merttens Ruth, Kirkby David:
New Abacus 4: Warm-Up Activities Book
Pearson Education, Oxford (United Kingdom), 2000
Paperback
ISBN: 9780602290764
ISBN-10: 0602290767
New Abacus 4: Warm-Up Activities Book
These activities provide for the systematic development of key mental skills, through teacher-led whole-class activities. Related, unit by unit, to the Teacher Cards they provide enough material for a different ten minute mental warm-up each day.
