Sudokus

All of these Sudokus involve mathematics. Can you solve them?

  • Mathdoku
    problem

    Mathdoku

    Age
    7 to 11
    Challenge level
    1 out of 3

    Complete the Mathdoku grid using the clues. Can you convince us that the number you have chosen for each square has to be correct?

  • A First Product Sudoku
    problem
    Favourite

    A First Product Sudoku

    Age
    7 to 14
    Challenge level
    1 out of 3

    Given the products of adjacent cells, can you complete this Sudoku?

  • 3 by 3 Mathdokus
    problem

    3 by 3 Mathdokus

    Age
    7 to 14
    Challenge level
    1 out of 3

    Can you use the clues to complete these 3 by 3 Mathematical Sudokus?

  • 4 by 4 Mathdokus
    problem
    Favourite

    4 by 4 Mathdokus

    Age
    7 to 14
    Challenge level
    1 out of 3

    Can you use the clues to complete these 4 by 4 Mathematical Sudokus?

  • 5 by 5 Mathdokus
    problem
    Favourite

    5 by 5 Mathdokus

    Age
    7 to 16
    Challenge level
    1 out of 3

    Can you use the clues to complete these 5 by 5 Mathematical Sudokus?

  • 6 by 6 Mathdokus
    problem

    6 by 6 Mathdokus

    Age
    7 to 16
    Challenge level
    1 out of 3

    Can you use the clues to complete these 6 by 6 Mathematical Sudokus?

  • Multiples Sudoku
    problem

    Multiples Sudoku

    Age
    11 to 14
    Challenge level
    1 out of 3

    Each clue in this Sudoku is the product of the two numbers in adjacent cells.

  • Diagonal Product Sudoku
    problem
    Favourite

    Diagonal Product Sudoku

    Age
    11 to 16
    Challenge level
    1 out of 3

    Given the products of diagonally opposite cells - can you complete this Sudoku?

  • Product Sudoku
    problem
    Favourite

    Product Sudoku

    Age
    11 to 16
    Challenge level
    2 out of 3

    The clues for this Sudoku are the product of the numbers in adjacent squares.

  • Star Product Sudoku
    problem

    Star Product Sudoku

    Age
    11 to 16
    Challenge level
    2 out of 3

    The puzzle can be solved by finding the values of the unknown digits (all indicated by asterisks) in the squares of the $9\times9$ grid.

  • All-Variables Sudoku
    problem

    All-Variables Sudoku

    Age
    11 to 18
    Challenge level
    1 out of 3

    The challenge is to find the values of the variables if you are to solve this Sudoku.

  • LCM Sudoku
    problem
    Favourite

    LCM Sudoku

    Age
    14 to 16
    Challenge level
    3 out of 3

    Here is a Sudoku with a difference! Use information about lowest common multiples to help you solve it.

  • LCM Sudoku II
    problem
    Favourite

    LCM Sudoku II

    Age
    14 to 16
    Challenge level
    3 out of 3

    You are given the Lowest Common Multiples of sets of digits. Find the digits and then solve the Sudoku.