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Sunken Ships and Grid Patterns (2-D Geometry); Grade Level 4 (Investigations in Number, Data, and Space; TREC)
Sunken Ships and Grid Patterns Grade Level 4 - 2-D Geometry - Investigations in Number, Data, and Space; TREC Author:Douglas H. Clements, Michael T. Battista, Joan Akers, Andee Rubin, Virginia Woolley Students make coordinate mystery pictures and measure distances on a grid; play sunken ships, identifying points on the grid and using distance feedback to select a next possible location; discuss properties of rectangles; and write rectangle procedures for the computer using Geo-Logo. Downloadable software. Suggested pacing: 15 sessions.