Thursday, August 29, 2013

Math problems of the week: 4th grade Investigations vs. Singapore Math

4th grade multiplication and division estimation problems:

I. From the "How Many Packets? How Many Groups" unit of the 4th grade Investigations Student Activity Book [click to enlarge]:




II. From the "The Four Operations of Whole Numbers" unit of the 4th grade Singapore Math Primary Mathematics 4A Workbook [click to enlarge]:


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