A Little Math News

Posted by Mr. Marchionda on Nov 19, 2009 in Classroom News | Comments Off

This week we have been practicing the fundamentals of regrouping in various ways. To ensure we all know what is really going on when we borrow and regroup in subtraction, we have been using base ten blocks, block symbols, expanded form subtraction, then the standard subtraction algorithm we all know and love, and then check this all with addition. Each problem is being worked in four different ways. I am really proud of how well we are doing demonstrating subtraction in each of these ways.

Also, our online grade book is all set to go. Looks a little different, feel free to ask questions.

Here is a sample for all the parents out there:

Here is the work for the day:

Rest in Peace