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Number Puzzles
Number puzzles range from classic Sudoku and Mini Sudoku to Math Cages (KenKen style), Skyscrapers, Inequalities (Futoshiki), Cross Sums (Kakuro), Magic Squares and Number Pyramids — plus quick-fire challenges like Make 24, Quick Math, Bulls & Cows, Number Sequence and Daily 2048.
All number puzzles
Sudoku, 2048 and number puzzles
Mini Sudoku6×6 SudokuA light 6×6 Sudoku — about three minutes a game.Sudoku9×9 SudokuClassic 9×9 Sudoku with notes and automatic candidate clean-up.Math CagesArithmeticA Latin square with arithmetic cages — add, subtract, multiply and divide.SkyscrapersLine of sightOne building of each height per row and column; the clues say how many you can see.InequalitiesComparisonEach row and column has 1–n once, and every inequality must hold.Cross SumsAdditionA crossword made of sums — every run of numbers adds up to its clue.HitoriShadingShade out repeated numbers so no row or column has duplicates.Equation LockMath guessSix tries to guess today’s hidden equation.Make 24Mental mathFour numbers, four operations — make 24.Quick MathArithmetic drill20 mental math questions — fast and accurate wins.Bulls & CowsNumber deductionThe classic xAyB game — find the secret number in as few guesses as possible.Daily 2048Merge numbersEveryone gets the same new tiles today. Who reaches the target first?Number PyramidAdditionEach brick is the sum of the two below it. Complete the pyramid.Magic SquareNumber squareThe ancient square where every row, column and diagonal adds up the same.Number SequenceFind the pattern2, 3, 5, 8, 13, ? — spot the pattern and give the next number.Weighted GridWeighted sumsEvery column has a value — shade cells to hit each row and column target.
FAQ
How is Math Cages different from Sudoku?
Sudoku only requires no repeats in rows, columns and boxes. Math Cages adds arithmetic cages whose numbers must combine to a target with +, −, × or ÷.
Are these good for kids?
Quick Math, Make 24, Number Pyramid and Number Sequence are great for building number sense. Easy levels start with sums within 20.
Do the puzzles have unique solutions?
Sudoku, Math Cages, Skyscrapers, Cross Sums, Magic Square and Number Pyramid are all checked by a solver for a unique solution.