Sunday, September 22, 2013

Subtracting Across Zeros & Adding and Subtracting Decimals

Wednesday, September 18, 2013
Students learned how to subtract in situations involving zeros. They had to go all the way to their "neighbor" that had a value to borrow. We watched the following video to help students understand subtracting across zeros:

 
Students need to be careful when borrowing (regrouping). I have noticed that sometimes students borrow from the thousands or hundreds and give it to the ones place. Students forget to go place value by place value to give and borrow.
 
 
Thursday, September 19, 2013
Students learned how to add and subtract decimals using models and by lining up the decimal points.
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 Students also wrote addition and subtraction clue words in their math journals.
 
 
 
All grades are updated on the grade book/database. I have uploaded Friday's test scores on the grade book as well. Please have a look.

 

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