1. Select whether you will be demonstrating addition of integer or decimal values by clicking on the appropriate checkbox.[br]2. Click on the 'Question' box if you wish to use the provided question.[br]3. Input the required values into the input boxes provided.[br]4. Move the orange and green arrows to appropriate positions along the number line so that sensible steps are made to complete the addition. E.g. 32 + ? = 67 could be 32 + 8 + 20 + 7 = 67, or 32 + 30 + 5 = 67. The green arrow can be placed on top of the purple arrow if only two steps are being taken.[br]5. Clicking on the 'show sum' box clarifies the addition being performed.