Instructions:
  1. Pick six numbers using either the large number or small number button below.
  2. Try to calculate the target value by dragging your numbers into the white boxes to perform addition, subtraction, multiplication, division and powers. Click the calculate button to have the computer work out the answers to your calculations. Your original numbers will disappear, and the answer will remain.
  3. When you have an answer, drag it to the white box in the target section and click the use number button to earn points for your answer
  4. If you wish to start over, click on the reset button to restore the original 6 numbers
Add a Number:

Points:
Exactly Correct: 35 points
Off by 1: 15 points
Off by 2: 5 points
Off by up to 5: 2 points
Off by up to 10: 1 point

Countdown (Numbers Version)