
SUMS
Fill a grid by placing numbers in order with adjacent sums.
229 daily number games in your browser, each with a page on how it plays, when it resets and where to play it.

Fill a grid by placing numbers in order with adjacent sums.

A daily kakuro: every run of squares adds up to the clue at its head.

Select numbers until every row and column reaches its target.

A short maths or logic word problem from the Hindustan Times, posted six mornings a week.

Keep or delete numbers until every row and column hits its target.

Split the day's grid of digits into connected groups of up to four that each add up to ten.

Place a rack of number tiles so every row and column hits its target.

The target is shown; find the one six-character equation that makes it, in six guesses.

The Telegraph's daily Kakuro: a crossword with numbers instead of words.

Clear the board in groups of two or three tiles that add up to ten.

Swap tiles within their blocks until every row and column makes ten.

A small daily paper of original word and logic puzzles, from path-traced words to rotating letter grids.

A daily 6x6 KenKen from SudokuWiki, for supporters, in four grades through the week.

Fill The Times daily KenKen grid so every cage makes its target.

The Times daily killer sudokus, where cages add up to given sums.

One probability puzzle a day: work out the odds, type a number or fraction, and read the illustrated solution.

Drop number tiles on the day's 5x5 board, merge matching neighbours and keep the strict lanes free of repeats.

Sort nine math expressions, from roots to fractions, from smallest to largest without a calculator.

Read the day's balance scales and work out the secret weight of every shape, in as few tries as you can.

One row of operators, two rows of numbers, one target to hit with both.

Three numbers rounds a day: hit the target from six numbers in five sums.

Solve three riddles, each a single digit, to crack the day's safe.

A sudoku with small V-shaped corner marks: of the three cells each one touches, two add up to the third.

Hit a target temperature exactly by naming cities and subtracting what the thermometer reads there right now.

Five numbers, four blanks, one target: fill in the operators against the clock.

One short logic or maths question a day, answered from four choices.

Wordle if you really like maths: find the day's three-digit number from number-theory clues.

Five arithmetic puzzles in one Reddit app, with one of them posted as the day's puzzle every morning.

Guess what one Amazon product sells for, with six tries and hot or cold arrows.

One shared brain game a day, quiz, word or number, plus an optional extra round.

Merge matching numbers around two fixed stones and score 96 points in 24 moves.

Twenty equations, one number missing from each, twenty seconds a line.

Five mental math games, twenty problems each, one life in every game.

Reach the day's target from six numbers and four operations.

Find the rule in twenty number series and pick what comes next, twenty seconds each.

Split even piles between neighbours until every target is full and the board is clear.

Pick five F1 drivers whose career stats add up to the day's target exactly.