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Logic & Number Sense
Grid Sums
Click tiles to fill them with the sum of their (up to 8) neighbours. Plan the order so the last tile lands on the target value.
CKSTEM Grid Sums Challenge
Total Score: 0 / 100
Total Time: 00:00:00
Click each tile once. A tile becomes the sum of all neighbouring tiles (including diagonals); if all neighbours are zero it becomes 1. Try to make the value on the last tile you click as large as possible!