Learners use grid boxes as a measurement tool and discover how grids are used for mapmaking and scaling down an area. They begin by attempting to draw a model shape drawn by the teacher by using the gridding process. At the conclusion of the activity, learners consider how their process relates to that of map makers.

Concepts

mapmaking, map skills, cartography, the lewis and clark expedition

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Additional Tags

cartogaphy, map making, lewis and clark, math

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Pros

• Activity can be incorporated with any unit on exploration or historical expeditions

Cons

• No content-based background information or instructional materials provided for instructor or student
• Requires preparation of materials (poster-sized and small graph paper)