National Council of Teachers of Mathematics: Changes in Your Classroom: From the Past to the Present to the Future
- 1 November 1998
- journal article
- Published by National Council of Teachers of Mathematics in Mathematics Teaching in the Middle School
- Vol. 4 (3) , 184-190
- https://doi.org/10.5951/mtms.4.3.0184
Abstract
Look carefully at the illustration in figure 1 (Kindt and Abels 1998). How much do all three chickens weigh? How much does each chicken weigh?Keywords
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