# The Game of The Subtraction Game

Subtraction Game - Simple Nim

Take turns with the computer to remove sticks from the pile sticks above. You can remove a stick by clicking on it. You can remove sticks from the pile. When you have finished your turn click the button for the computer to have a turn. Whoever removes the last stick is the winner.

This is a simplified version of Nim.

You can earn a Transum trophy for each level you complete.

This activity makes a good Maths lesson starter. Click the button below for a classroom version.

Here on the Transum website there are many other interactive strategy games for you to try.

#### Strategy Games

Click the picture above to go to the Transum Strategy Games collection. Each game requires some mental arithmetic or logic.

Transum.org/go/?to=strategy

#### 23 or Bust

Two players take it in turns to move the object on to a number in the pentagram. The object of the game is to reach a total of 23.

Transum.org/go/?to=23

#### Fifteen

A mental arithmetic strategy game for a wide range of abilities. Play against the computer to select three numbers that add up to fifteen.

Transum.org/go/?to=fifteen

#### The Game of Nim

Nim is a mathematical game of strategy in which two players take turns removing objects from a number of groups of objects.

Transum.org/go/?num=325

Did you know that the word nim is an old English verb meaning take?

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