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Fun Stuff

Trivia

Cheryl's Birthday
There is a question from the Singaporean math syllabus that has been circulating the Internet, stumping adults and children alike. Visit this page for help with the full answer and explanation!

Action games

CellCraft
In this real-time strategy game, you control a single-celled organism. Manage resources, build enzymes, and fight off virus infections!

Puzzle games

Safecracker
Guess the secret code in as few moves as possible, using sums of digits as your clues!

Logic puzzles

Sudoku
The original puzzle craze that launched logic puzzles into the popular mindset! Fill in the grid so that each row, column and square block contains one of every digit.
Binary (Takuzu)
Fill in the black and white grid to avoid runs of three.
Bridges (Hashiwokakero)
Connect the islands with a network of bridges.
Dominosa
Tile the grid with a full set of dominoes.
Galaxies (Tentai Show)
Divide the grid into rotationally symmetric regions each centered on a dot.
Haunted Mirror Maze
Find ghosts, vampires, and zombies in the mirror maze.
KenKen
Complete the Latin square in accordance with the arithmetic clues.
Light Up (Akari)
Place bulbs to light up all the squares.
Loners (Hitori)
Black out duplicate numbers according to the rules.
Magnetic Field
Place magnets to satisfy the clues and avoid like poles touching.
Map
Colour the map so that adjacent regions are never the same colour.
Minesweeper
Find all the mines without treading on any of them. This version differs from the common Windows version, in that you never need to guess.
Netwalk
Rotate each tile to reassemble the network.
Pattern (Nonogram)
Fill in the pattern in the grid, given only the lengths of runs of black squares.
Pearls (Masyu)
Draw a single closed loop, given clues about corners and straight squares.
Range (Kurodoko)
Place black squares to limit the visible distance from each numbered cell.
Rectangles (Shikaku)
Divide the grid into rectangles with areas equal to the numbers.
Signpost
Connect the squares into a path following the arrows.
Skyscrapers
Complete the Latin square of skyscrapers in accordance with the clues.
Slant (Gokigen Naname)
Draw a maze of slanting lines that matches the clues.
Slitherlink
Draw a single closed loop in accordance with the clues.
Tents
Place a tent next to each tree in accordance with the clues.
Train Tracks
Lay a railway track in accordance with the clues.
Unequal (Futoshiki)
Complete the Latin square in accordance with the > signs.

Other fun stuff

Magic Symbols
A webpage that can read your very mind... or can it? Find out for yourself!

We hope that the free math worksheets have been helpful. We encourage parents and teachers to adjust the worksheets according to the needs of the child. For more difficult questions, the child may be encouraged to work out the problem on a piece of paper before entering the solution. We hope that the kids will also love the fun stuff and puzzles.

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