Best for arithmetic logic, KenKen-style practice, enrichment groups, and printable puzzle packets.
Print the grid, solve using cage operations and number placement, then reveal answers after a full attempt.
Move from classic and operation-specific puzzles into 4x4, 5x5, 6x6, 8x8, and 9x9 Mathdoku.
Use the previous and next set links to stay inside the same page family before jumping to broader hubs.
Answer key policy
Answer support is available for review after a real attempt; printable answer-key behavior depends on the activity type.
Same-family next steps
Use the previous and next set links to stay inside the same page family before jumping to broader hubs.
Measurement events
This page should measure landed, started, used hint, checked answer, completed, printed/downloaded, shared, and clicked next events when the matching controls exist.
Mixed operations mathdoku uses all four operations (+, −, ×, ÷) in its cages, just like the original KenKen format. Each cage shows which operation to use.
Who are 8x8 mixed operations puzzles best for?
Advanced solvers who want the full classic mathdoku experience.
Are solutions included?
Yes — every 8x8 mixed mathdoku comes with a fully verified solution available online and in the PDF.