Author: Michael Goldenberg
			
							
					      
                            
              Book Review: PROBLEM SOLVING AND REASONING WITH DISCRETE MATHEMATICS by Dr. Joseph G. Rosenstein US K-12 mathematics has long been dominated by the notion that any legitimate pathway through …          
              
          				
							
					      
                            
              Joseph G. Rosenstein   It’s our pleasure to welcome Professor Joseph G. Rosenstein to the Math Blog. He is Distinguished  Emeritus Professor of mathematics at Rutgers University.  His biography …          
              
          				
							
					      
                            
              Typical algorithms for doing square roots by hand require estimation. I have taught a different algorithm that does not rely on estimation but instead uses subtraction of successive odd …          
              
          				
							
					      
                            
                James Grime is a mathematician with a personal passion for maths communication and the promotion of mathematics in schools and to the general public. He can be mostly …          
              
          				
							
					      
                            
              Subtraction: What is “the” Standard Algorithm?   One common complaint amongst anti-reform pundits is that  progressive reform math advocates and the programs they create and/or teach from “hate” standard …          
              
          				
							
					      
                            
              An Interview with Alan Schoenfeld: At the Boundaries of Effective Mathematics Thinking, Teaching, and Learning     Alan Schoenfeld is the Elizabeth and Edward Conner Professor of Education and …          
              
          				
							
					      
                            
              What would make you write a book about writing a book you recently published on a 13th-century mathematician? When you’re Stanford University’s Keith Devlin (aka, NPR’s “The Math Guy”) …          
              
          				
							
					      
                            
              Models and Delving Deeper Into Division   Last month, we unpacked the long-division procedure taught in American K-6 classrooms, tied it into the standard “long multiplication” algorithm, discussed issues …          
              
          				
							
					      
                            
              An Interview with Keith Devlin: An Ambassador of Mathematics for Many Eras     Dr. Keith Devlin is a co-founder and Executive Director of the university’s H-STAR institute, a co-founder …          
              
          				
							
					      
                            
                Look familiar? For most people, if they ever learned to do long division properly, they had to “master” something similar to the above procedure/algorithm. What was not required …