Open or Closed
Find the box with its lid open or closed as shown.
Getting ready…
How to play
Find the box with its lid open or closed as shown.
About this activity
Open or Closed. Compare the position of an object's parts. Three levels to explore at your own pace.
- What to practice
- Compare the position of an object's parts.
- Controls
- Choose one answer. Use a finger, mouse, or Tab and Enter/Space. A wrong choice lets you try again.
- Choosing a level
- Start with Easy. Medium and Hard extend the activity with more rounds, choices, or a larger challenge. You can change the level or restart at any time.
Big buttons and simple controls on phones, tablets, and computers.