Using Addition Facts to Learn Subtraction Facts

Using Addition Facts to Learn Subtraction Facts

Larry P. Leutzinger and Glenn Nelson
How much do you like this book?
What’s the quality of the file?
Download the book for quality assessment
What’s the quality of the downloaded files?
Volume:
27
Language:
english
Journal:
The Arithmetic Teacher
DOI:
10.2307/41189518
Date:
December, 1979
File:
PDF, 1.80 MB
english, 1979
Conversion to is in progress
Conversion to is failed