Friday, November 30, 2012: 3:30 PM-4:30 PM
Columbus Hall GH (Hyatt)
Lead Speaker:
Frances L. Stern
Difficulties with multidigit subtraction are pervasive. The U.S. subtraction algorithm is different from those taught in France, China, and elsewhere. Teaching an alternative method can address recurrent errors. Struggling students may more easily learn a different subtraction algorithm; seeing how these work can challenge your most able students.
Presentation Format: PreK-2 Session
Grade Band Audience: PreK to 2, 3 to 5