. Grade 6, Illustrative icon
Task

Baking Bread 1

Illustrative MathematicsVaries

The purpose of this task is to provide students with a first informal experience with the idea of equivalent ratios. The intuitive notion that making multiple batches of the same recipe results in the same bread as a single recipe helps motivate the idea that different ratios can be 'the same' in some important way. Later, students will formalize the idea that a : b is equivalent to any ratio sa : sb, where s > 0. The task statement shows different-sized blobs, so that cups are represented with larger blobs and teaspoons are represented with smaller blobs, although the blob sizes are not proportional in any way to actual cups and teaspoons.

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