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Learn · Illustrative Mathematics · Grade 6 · Unit 1

Area & Surface Area

Short lessons you can play with. Slide, drag, and spin the shapes, then check yourself. When you’re ready, practice in Blueprint Builders.

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For grown-ups

How it works

Eight short chapters follow the unit’s lessons in order. Each step shows one idea with something to move, then a quick check. A wrong answer names the likely mistake and gives one more try.

3D shapes

Chapters 5 to 8 use a 3D view you can turn, tap, fold, and unfold. If a device can’t show 3D (or the school network blocks it), those steps show drawings and flat nets instead.

Practice

Each chapter ends with a link to the matching zone in Blueprint Builders, the practice game for this unit. Progress is saved on this device.

Not covered

Lesson 19 (Designing a Tent) is an open-ended project, so it works better in class.