Gradeless
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Mini Sudoku

Every row, column and box needs each number once. Cross off what you can see and find the number that must go in the glowing cell!

Puzzles & Strategy Games · Grades 1–4 · 8 levels · Free

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8 levels

  1. Last one in the row
  2. Last one in the box
  3. Two clues at once
  4. Where does it go?
  5. Spot the mistake
  6. Every kind of 4×4 puzzle
  7. Six by six
  8. Mixed puzzles, timed

What it practises

  • Sudoku: The Last Number
  • Sudoku: Crossing Clues

More Puzzles & Strategy Games lessons

Gradeless is free: short math and learning lessons for kids in kindergarten to grade 5, each one starting where your child is. For grown-ups