Mr. Cereghino

Math

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You can browse the textbook, or print workbook pages at home.  Jump to a page we are working on in class, or just brush up on some of your math skills.  To print math workbook pages, first go to the chapter and lesson we are working on, then click on the resources tab at the top of each lesson and print off homework or practice book pages related to that lesson. 

                                  (Septermber 6 - 9)  Place Value

    Place value examples:    What value is the 9 in the number:     4,231,592      =   tens

               What is the place value of the underlined digit?    42,583    =  ten thousands

               How many thousands are there in 20,000?   =  20

               Compare the numbers  greater than or less than:   34,231     34,321  =    34,231  <   34,321

               Order the following numbers from least to greatest:  891   918    819     =  819   891   918

               Order the following numbers from greatest to least:  9,425    9,524    9,245    =    9,524    9,425    9,245

 

    Expanded notation examples:  What is the value of 20,000 + 7,000 + 400 + 50 + 1  =   27,451

                                                                      Write the number 5,801 in expanded form =  5,000 + 800 + 1

 

    Rounding examples:  Round to the place of the underlined digit:  18,781  =   18,780

                                                Round to the place of the underlined digit:   87,032    =    87,000

 

Example of what your Math class work should look like:  Straight rows and columns.

Remember to show your work  :) 

Basic Multiplication and Division should be mastered by the end of 3rd grade.  Mastery is reached when 30 or more random multiplication facts can be correctly completed in 60 seconds more than 2 times in a row. If multiplication mastery is not reached, please practice every day.

 

Continue mastering Basic Multiplication Facts by visiting:    

        Multiflyer Game by Brainormous:   http://www.brainormous.com/online/loader_multiflyer.html

        Harcourt Multiplication Practice:   http://www.harcourtschool.com/activity/thats_a_fact/english_4_6.html

          Math Magician:  http://oswego.org/ocsd-web/games/mathmagician/mathsmulti.html

        Multiplication Facts by AAA Math:  http://www.aaastudy.com/mul.htm#topic2

 

 

Place Value Websites:

          HM Place Value to the 100's:  http://www.hbschool.com/activity/elab2004/gr4/1.html

          Place Value Pirates Game: http://www.mrnussbaum.com/placevaluepirates1.htm

          Who wants to be a Place Value Master:  http://www.quia.com/rr/32598.html

          Fun Brain:  http://www.funbrain.com/tens/index.html

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