tag:blogger.com,1999:blog-29868932.post2614081586977723504..comments2024-02-14T22:50:48.749+10:30Comments on Bill Kerr: long multiplicationBill Kerrhttp://www.blogger.com/profile/00206808014093631762noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-29868932.post-2717659786029149392009-03-02T13:30:00.000+10:302009-03-02T13:30:00.000+10:30McDermott fails to justify the need for proficienc...McDermott fails to justify the need for proficiency in standard algorithms in the age of the calculator. <BR/><BR/>She convincingly demonstrates that the standard long division and multiplication algorithms are the most efficient, but fails to talk about conceptual understandings of number.<BR/><BR/>I preferred terc for developing understanding of number.Anonymoushttps://www.blogger.com/profile/03384288304778972289noreply@blogger.com