Original browser games

Math and logic games

Short challenges with tested controls, honest skill labels, and an explanation of what each game can—and cannot—practice.

Target Sum browser game screen

Grades 3–6 · Ages 8–12

Target Sum

Choose number tiles that add exactly to the target before the round ends.

Mental additionNumber composition
Number Grid browser game screen

Grades 4–8 · Ages 9–14

Number Grid

Find the missing value in a row or column pattern using the fewest hints.

Pattern recognitionReasoning
Fraction Match browser game screen

Grades 4–7 · Ages 9–13

Fraction Match

Pair a fraction with its visual model and equivalent decimal.

FractionsDecimals
Multiplication Sprint browser game screen

Grades 3–6 · Ages 8–12

Multiplication Sprint

Solve a focused set of multiplication facts while accuracy matters more than speed.

Multiplication factsMental math
Balance Builder browser game screen

Grades 3–7 · Ages 8–13

Balance Builder

Complete an equation by keeping both sides of a visual balance equal.

EqualityMissing values
Logic Lights browser game screen

Grades 4–8 · Ages 9–14

Logic Lights

Switch every light on while each move changes a predictable group of neighbors.

PlanningCause and effect
Sequence Detective browser game screen

Grades 4–8 · Ages 9–14

Sequence Detective

Compare candidate rules and identify the one that fits every number in a sequence.

Pattern rulesElimination
Decimal Duel browser game screen

Grades 4–7 · Ages 9–13

Decimal Duel

Choose the greater decimal and use place value—not digit length—to decide.

Decimal comparisonPlace value
Factor Pairs browser game screen

Grades 4–7 · Ages 9–13

Factor Pairs

Build every whole-number factor pair for a target without repeating a pair.

FactorsMultiplication
Division Remainder Lab browser game screen

Grades 4–7 · Ages 9–13

Division Remainder Lab

Write a quotient and remainder, then verify that they rebuild the dividend.

Whole-number divisionRemainders
Equation Maker browser game screen

Grades 5–8 · Ages 10–14

Equation Maker

Arrange four number and operation tiles into a true equation for the target.

OperationsOrder of operations
Odd One Out browser game screen

Grades 4–8 · Ages 9–14

Odd One Out

Find the value that breaks a stated mathematical rule and explain the evidence.

ClassificationProperties of numbers
Route Reasoner browser game screen

Grades 3–7 · Ages 8–13

Route Reasoner

Plan a path across a grid while obeying direction and obstacle constraints.

PlanningCoordinates
Prime Sorter browser game screen

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
Fraction Number Line browser game screen

Grades 3–6 · Ages 8–12

Fraction Number Line

Place a fraction at the matching position between zero and one.

Fraction magnitudeNumber lines