All ages · Ages 8+
2048
Merge equal number tiles and plan space carefully as the board fills.
Powers of twoPlanning
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Number Games
Explore sums, factors, fractions, and place value with visual feedback designed for quick practice on a laptop, Chromebook, tablet, or phone.
All ages · Ages 8+
Merge Drop
Position matching pieces so collisions create larger values.
DoublingEstimation
All ages · Ages 8+
Slide Puzzle
Reorder numbered tiles by planning moves around one empty space.
SequencingSpatial planning
All ages · Ages 10+
Sudoku
Complete a number grid using row, column, and box constraints.
DeductionNumber placement
Grades 4–7 · Ages 9–13
Fraction Match
Pair a fraction with its visual model and equivalent decimal.
FractionsDecimals
Grades 4–7 · Ages 9–13
Decimal Duel
Choose the greater decimal and use place value—not digit length—to decide.
Decimal comparisonPlace value
Grades 4–7 · Ages 9–13
Factor Pairs
Build every whole-number factor pair for a target without repeating a pair.
FactorsMultiplication
Grades 5–8 · Ages 10–14
Prime Sorter
Sort numbers as prime or composite and inspect a factor when a number is composite.
Prime numbersFactors
Grades 3–6 · Ages 8–12
Fraction Number Line
Place a fraction at the matching position between zero and one.
Fraction magnitudeNumber lines
How this collection is selected
Games appear here only when their main repeated action matches the category. We test the playable route, controls, error feedback, restart behavior, and narrow-screen layout. A category label describes practice—not a promise of learning results.