Friday, December 14, 2012

Math problems of the week: 5th grade Investigations vs. Singapore Math

I. The 6th problem set in the 5th grade TERC/Investigations Student Activity Book "Measuring Polygons" unit [click to enlarge]:




II. The 6th problem set in the Singapore Math Primary Mathematics 5A Workbook "Perimeter, Area and Surface Area" unit [click to enlarge]:

III. Extra Credit

What are Singapore Math 5th graders missing out on by not spending time classifying shapes?

2 comments:

Auntie Ann said...

They're missing out on nostalgia for 2nd grade.

Rivka said...

My daughter just had the square-rhombus-rectangle stuff at the beginning of third grade math.

(Can't help noticing, by the way, that whoever did that Singapore page got 1a wrong. The triangle has an area of 9 unit squares.)