tag:blogger.com,1999:blog-8399389267815059112.post1083139493554408752..comments2024-07-08T04:58:36.419-05:00Comments on Algebra's Friend: Island StudyAlgebra's Friendhttp://www.blogger.com/profile/04729315514507170702noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-8399389267815059112.post-53031644004504672412014-10-12T17:10:30.089-05:002014-10-12T17:10:30.089-05:00Good ! Cramer's rule belongs in the dustbin (t...Good ! Cramer's rule belongs in the dustbin (trash can) of history.<br />The row operations on the matrix and the unit matrix together is so much easier, and that is how the calculator will be doing it (well, I hope so !). But you know this already.<br /><br />Seems to want me to be anonymous<br />howardat58.wordpress.comAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-8399389267815059112.post-51526892260916708312014-10-12T15:22:55.899-05:002014-10-12T15:22:55.899-05:00It was definitely fun ... but more than that it wa...It was definitely fun ... but more than that it was great math ... lots of math dialogue, peer to peer feedback, and much practice!Algebra's Friendhttps://www.blogger.com/profile/04729315514507170702noreply@blogger.comtag:blogger.com,1999:blog-8399389267815059112.post-68429293997334637962014-10-12T15:01:18.306-05:002014-10-12T15:01:18.306-05:00Love the Island Study! This is definitely going o...Love the Island Study! This is definitely going on my "to try" list.Shelley Carranzahttps://www.blogger.com/profile/15429694652889020456noreply@blogger.comtag:blogger.com,1999:blog-8399389267815059112.post-39811233869955620872014-10-12T11:05:39.091-05:002014-10-12T11:05:39.091-05:00No, we don't teach Cramer's rule. We use ...No, we don't teach Cramer's rule. We use our TI calculators for all matrices other than the 2 x 2. And for the 2 x 2 we teach only the inverse method of solving. It's short introductory unit ... just 4 lessons.Algebra's Friendhttps://www.blogger.com/profile/04729315514507170702noreply@blogger.comtag:blogger.com,1999:blog-8399389267815059112.post-49004788960955225052014-10-12T07:14:12.832-05:002014-10-12T07:14:12.832-05:00Hello !
Are you using Cramer's rule for the 3...Hello !<br />Are you using Cramer's rule for the 3x3 inverse ?Anonymousnoreply@blogger.com