|I. From the end of the 3rd grade (TERC) Investigations Landmarks in the Hundreds Booklet.|
|2. From the 3rd grade Singapore Math Primary Mathematics 3B workbook:|
III. Extra Credit
Singapore Math does not emphasize "landmark numbers"; Investigations does not emphasize the multiplication tables. Which students are better off?
Compare and contrast the madeup problems in Singapore Math and Investigations Math.
Discuss the importance of familiarizing family members with landmark numbers.