Friday, May 1, 2015

Math problems of the week: Common Core inspired rates problems

1, The final problem in the Ratio and Unit Rates unit of the 6th grade Common Core-inspired EngageNY curriculum:

2. The final problem in the 6th grade Singapore Math (U.S. Edition) Speed unit:

Extra Credit

a. Compare the difficulty of the two problems.

b. Compare the difficulty of part b of the 6th grade EngageNY problem to the difficulty of a second grade math word problem (with or without the extra verbiage).

c. For part a of the EngageNY problem ("How far did you and your mother travel altogether?"), should points be taken off for answers that add the distance traveled by "you" to the distance traveled by "your mother"?

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