Empty and Full
Choose the cup that matches the fill level shown.
Getting ready…
How to play
Choose the cup that matches the fill level shown.
About this activity
Empty and Full. Notice empty, half-full, and full containers. Three levels to explore at your own pace.
- What to practice
- Notice empty, half-full, and full containers.
- 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.