Your task is to conquer the number pyramid by making sure that EVERY block is equal to the SUM of the numbers on the TWO blocks directly beneath it.
Drag and drop 19 of the 20 numbers in the pile into the spaces in the pyramid.
You can rearrange the order of the NUMBERS at any time.
*Take care however,!!! when you drag the last number into the pyramid it becomes FROZEN.
To restart the activity just refresh the page.