Compose Shapes

Small shapes can join to make a bigger shape

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About This Practice

Composing shapes lets children discover how shapes relate: two identical right triangles can make a square or a bigger triangle, and two squares side by side make a rectangle. Pick a useful piece from the tray to fill the big outline — wrong pieces get a gentle hint, and the finished shape shines.

Two matching triangles make a square or a bigger triangle, and two squares make a rectangle. Pick pieces from the tray and fill the outline!

EasyEstimated Time: 8mincompose shapescombine shapestrianglesquarerectangle

How to Play

  1. Look at the dashed outline and guess which small pieces could fill it.
  2. Tap a useful piece in the tray and watch it fly into the outline.
  3. If a piece won't fit, don't worry — pick another one.
  4. Fill both slots to finish the big shape, then read its name.
  5. Tap "New Puzzle" to try the next combination.

Learning Objectives

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