Mathematics · Ages 8-15Geometry Builder
Explore 2D and 3D shapes, angles, perimeter, area and spatial reasoning.
Ages 4–158-15Learning goalIdentify 2D/3D properties and calculate introductory perimeter and area.Game typeMath challengeDifficultyIntermediatePlay time5–12 min
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📘Want to learn this topic first?Geometry in the Real World
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How to play
Explore the topic with large visual cards, then answer five short questions. When ready, continue to the matching practice game. An adult can extend the learning with books, conversation and hands-on play.
- Use touch, mouse or keyboard to choose an answer.
- Try each round at your own pace.
- Guest results stay on this device; signed-in family progress can be saved online.
Learning goal
Identify 2D/3D properties and calculate introductory perimeter and area.
Explore 2D and 3D shapes, angles, perimeter, area and spatial reasoning.
Ages 4–15
8-15