National Council of Teachers of Mathematics: Changes in Your Classroom: From the Past to the Present to the Future

1998 ◽  
Vol 91 (9) ◽  
pp. 800-806
Author(s):  
Gail Burrill
Keyword(s):  
The Past ◽  
1998 ◽  
Vol 5 (3) ◽  
pp. 202-209
Author(s):  
Gail Burrill
Keyword(s):  
The Past ◽  

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?


1969 ◽  
Vol 16 (7) ◽  
pp. 587-595
Author(s):  
Vincent Brant ◽  
Kenneth E. Brown ◽  
James D. Gates ◽  
Julius H. Hlavaty ◽  
Houston T. Karnes ◽  
...  

Reaching a fiftieth birthday or anniversary is always cause for a celebration-but what kind of a celebration? Like a rooster, shall NCTM stand on a fence and crow about what it has done? Like Lot's wife, shall NCTM look back to contemplate the past and run the risk of turning into a pillar of salt? Like a prophet, shall NCTM look into the future and make great predictions?


1999 ◽  
Vol 5 (2) ◽  
pp. 130-136
Author(s):  
Glenda Lappan
Keyword(s):  
The Past ◽  

WE ARE CURrently standing at one of the most important crossroads we have faced as a Council and as a profession in the past twenty years. We have more than a decade of direction setting and progress under our belt. And we have learned a lot. We have every right to celebrate our successes even as we look to the future and the continuing need for improvement.


1998 ◽  
Vol 4 (3) ◽  
pp. 184-190
Author(s):  
Gail Burrill
Keyword(s):  
The Past ◽  

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?


1980 ◽  
Vol 25 (3) ◽  
pp. 230-231
Author(s):  
MARCEL KINSBOURNE
Keyword(s):  
The Past ◽  

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