Take a starting number and apply a set of instructions to it to achieve a finishing number.

Click create to generate a new start number and instructions. The start number will not appear. You can choose whether to show the start number or the answer. Showing the answer modifies the puzzle so that students have to do the inverse of the instructions to find the start number.

A timer can be applied. The length of time available for each instruction can be adjusted. When the length of time has passed a light appears below the instruction to show the students that they should move on.

Instructions
http://www.teacherled.com/2008/08/31/follow-on-maths/

Resource
http://www.teacherled.com/resources/followon/followonload.html

Animal See-Saw is a game for two players.

Each player is given 12 animals.

Players take it in turns to place an animal on their side of the see-saw - making sure that their side of the see-saw is never more than 5 kg heavier than the other side.

The winner is the player who survives the game without ever being more than 5kg heavier than his/her opponent.

If a player does become 5kg heavier than their opponent, the see saw falls, they lose and the game is over.

If both players make it to the end of the game, the winner is the one with the most weight on his/her side.

http://www.counton.org/games/animal-see-saw/index.html

You choose the time and the number of questions. Can you beat the clock?

Level One
http://www.oswego.org/ocsd-web/games/SpeedGrid/Subtraction/urikasub1res....

Level Two
http://www.oswego.org/ocsd-web/games/SpeedGrid/Subtraction/urikasub2res....

Level Three
http://www.oswego.org/ocsd-web/games/SpeedGrid/Subtraction/urikasub3res....

You choose the time and the number of questions. Can you beat the clock?

Level Two
http://www.oswego.org/ocsd-web/games/SpeedGrid/Addition/urikaadd2res.htm...

Level Three
http://www.oswego.org/ocsd-web/games/SpeedGrid/Addition/urikaadd3res.htm...

Phase One
Put the power buttons in the correct circles so all lines of numbers add to the given number.
http://www.oswego.org/ocsd-web/games/Powerlines/powerlines1.html

Phase Two
Use the password from Phase One to continue the challenge!
http://www.oswego.org/ocsd-web/games/Powerlines/powerlines2.html

Phase Three
Use the password from Phase Two to complete the challenge!
http://www.oswego.org/ocsd-web/games/Powerlines/powerlines3.html

The players take turns clicking on the ghost with the answer to the 2-digit minus 2-digit subtraction question.

http://www.oswego.org/ocsd-web/games/Ghostblasters3/ghostsub3.html

The players take turns finding the ghost with the answer to the 2-digit minus 1-digit subtraction question.

http://www.oswego.org/ocsd-web/games/Ghostblasters3/ghostsub2.html

Players take turns clicking on the ghost with the answer to the 2-digit + 2-digit question.

http://www.oswego.org/ocsd-web/games/Ghostblasters3/ghostadd3.html

Players take turns clicking on the ghost that is the correct answer to the 2-digit + 1-digit addition question.

http://www.oswego.org/ocsd-web/games/Ghostblasters3/ghostadd2.html

This is a two player game. The two players choose the total. Two numbers appear. If they add to the total, the first player to press their key gets a point. Three thumbs up!

http://www.oswego.org/ocsd-web/games/ghostblasters2/gb2nores.html