If you have free time, you can use
Or you can go to any of the following websites:
Math Lines 10 (addition)
Illuminations 10 Frame
Thinking about numbers using frames of 10 can be a helpful way to learn basic number facts. The four games that can be played with this applet help to develop counting and addition skills.
This game requires a Java plugin.
Interactives Dynamic Earth
Our planet might seem fixed and rigid, but a closer look reveals that it is constantly shifting under our feet. Delve into the earth's interior, learn about its tectonic plates and their movements, and discover how mountains, volcanoes, and earthquakes are formed.
Level one is telling time to the hour. Level two is telling time to the half hour.
BBC Set the Clock
Set the clock to the hour. Please ignore the Welsh.
National Gallery of Art
World Continent and Oceans Game
This site has a tutorial, beginner, intermediate, and expert levels. It includes the following: Africa, Antarctica, Asia, Australia, Europe, North America, South America, Arctic Ocean, Atlantic Ocean, Indian Ocean, and Pacific Ocean.
Layers of the Earth