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Classroom Routines (K-3) and Ten-Minute Math Activities (3-5) support and balance the in-depth work of each curriculum unit. These brief activities, designed to build over the course of the year, provide practice with current concepts and skills, and review of previously introduced content. Requiring 10-15 minutes of additional daily work outside of math time, these activities \u201coffer ongoing skill building, practice, and review that support the regular math work. They also reinforce the work students have done in previous units and help students increase their repertoire of strategies for mental calculation and problem solving.\u201d (Implementing Investigations at Grade X<\/em>, p. 7.)<\/p>\n In Grades K-2, there are 4-5 Classroom Routines that occur in a regular rotation. A few Routines are introduced later in the year, and then<\/em> become part of that rotating set. Grade 3 includes two Classroom Routines, tied to specific activities.<\/p>\n <\/p>\n
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