Calculation Cage Puzzles: How to Solve Target-and-Operation Grids
Start with single cells and one-pair cages, list digit sets for sums and products, then use rows and columns. A worked grid and a practice puzzle.
Riddle10 blog
Riddle10 blog
Start with single cells and one-pair cages, list digit sets for sums and products, then use rows and columns. A worked grid and a practice puzzle.