Calc Solver Games & Math Puzzles
Practice calculations and number properties. Play without an account.
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Daily Math Challenge
Start with today’s arithmetic puzzle.
Accounting & Business Games · 30 Free Puzzles
Learn profit margins, financial statements, depreciation, bookkeeping and more. Browse all 30 accounting games →
Profit & Loss Challenge
Calculate gross profit, operating profit, and operating margin from business sales, cost of sales, and expenses.
Sales Break-Even Challenge
Use unit prices, variable costs, fixed costs, and profit goals to calculate sales targets and break-even quantities.
Stock Portfolio Profit Game
Simulate buying and selling fictional shares while accounting for trading fees, proceeds, and realized gains or losses.
Balance Sheet Balancer
Calculate total assets, total liabilities, and owner’s equity so a business balance sheet balances.
Assets, Liabilities & Equity Sort
Sort real-world business accounts into assets, liabilities, and equity categories.
Income & Expense Matching
Match business transactions with sales revenue, cost of sales, operating expense, or other income.
Journal Entry Match
Learn double-entry bookkeeping by choosing debit and credit accounts for realistic transactions.
Debit or Credit Detective
Identify account types and choose debit or credit for increases and decreases in business accounts.
Trial Balance Repair
Find missing account balances and restore equal debit and credit totals in a trial balance.
Inventory FIFO/LIFO Practice
Calculate cost of goods sold and ending inventory for the FIFO and LIFO inventory valuation methods.
Cash Flow Classification
Categorize business cash movements as operating, investing, financing or noncash transactions.
Bank Reconciliation Challenge
Reconcile a bank statement with company book cash using outstanding checks, deposits, fees and interest.
Invoice Match
Match a supplier invoice to a purchase order and received goods, then check the bill total and tax.
Accounts Receivable Aging
Group unpaid customer invoices into current, 1–30, 31–60, 61–90 and over-90-day aging buckets.
Accounts Payable Schedule
Organize supplier invoices by due date and calculate cash needed for upcoming payments.
Inventory Turnover Puzzle
Calculate average inventory, inventory turnover and inventory days using cost of goods sold.
Payroll Math
Calculate hourly earnings, overtime pay, gross wages, fictional employee withholding and net pay.
Business Budget Builder
Compare budgeted sales and expenses with actual results to calculate profit variances.
Gross vs Net Margin Challenge
Calculate gross profit, operating income and net profit margins from a company’s sales and costs.
Discount and Tax Invoice
Compute invoice subtotal, trade discount, tax on the discounted value and final customer payment.
Depreciation Drill
Practise straight-line and double-declining depreciation and calculate remaining asset book value.
Working Capital Quest
Combine cash, accounts receivable, inventory and current liabilities to calculate working capital and liquidity ratios.
Income Statement Builder
Build a complete miniature profit-and-loss statement from sales returns to net income.
Cash vs Accrual Timing
Compare when fictional business revenues and expenses appear under cash-basis and accrual-basis accounting.
ROI Comparison
Compare two fictional investments by dollar return and ROI percentage; choose the more efficient one.
Financial Ratio Sprint
Calculate current, quick, debt-to-equity, asset turnover and net margin ratios for fictional companies.
Current Ratio Balancer
Raise working capital and liquidity to a target current ratio using an owner cash contribution.
Accounting Equation Relay
Apply business transactions and keep total assets equal to liabilities plus equity.
Sales Commission Studio
Calculate sales commissions using tiered rates, sales returns, quotas and a base salary.
Stock Dividend Calculator Game
Calculate fictional stock dividend cash, yield on cost, price changes and total returns.
New · Factoring, Quadratics & Radical Games
Five hands-on algebra games for quadratic factoring and roots, rearranging formulas, applying exponent rules, and simplifying square roots.
Factor Rectangle
Build the factor pairs of a quadratic using algebra tiles and area products.
Quadratic Root Hunt
Hunt the two solutions of a quadratic and check the discriminant.
Formula Rearranger
Isolate a variable in distance, geometry, physics and finance formulas.
Exponent Rule Relay
Multiply, divide and raise powers in a step-by-step exponent relay.
Radical Simplifier
Pull perfect-square factors out of radicals to reach simplest form.
New · Algebra Expression & Equation Games
Five math-only challenges for combining terms, finding equivalent expressions, evaluating variables, solving inequalities, and finding linear-system intersections.
Like Term Forge
Collect matching x and y terms, combine positive and negative coefficients, and simplify algebraic expressions.
Expression Equivalence
Find algebraically equivalent expressions by distributing parentheses and combining constants.
Substitution Circuit
Evaluate an algebra circuit by substituting x and y and passing each result into the next formula.
Inequality Gate
Solve linear inequalities and choose the correct solution direction and exact boundary.
System Intersections
Find where two straight-line equations intersect by solving simultaneous linear equations.
New · Ratio, Unit Rate & Repeating Decimal Games
Scale recipes, complete ratio tables, compare package unit prices, decode recurring decimals, and allocate budgets with exact ratios.
Scale Recipe
Scale a recipe for more or fewer servings without changing its ingredient proportions.
Ratio Table Builder
Fill blank cells in ratio tables while keeping the same proportions.
Unit Rate Market
Compare package prices, choose the best value and calculate the exact total for a requested quantity.
Repeating Decimal Decoder
Decode recurring decimal notation and reduce each repeating decimal to its simplest fraction.
Ratio Share
Divide a budget fairly in a ratio, reserve a portion, and then update allocations after a transfer.
New · Fractions, Decimals, Percents & Ratios
Five new calculator-based math games with dominoes, place values, decimal multiplication, compounded percentages and proportional mixing.
Fraction Domino Chain
Connect dominoes by equivalent fraction values from Start to Finish.
Decimal Place Lab
Find the exact value of highlighted digits in decimal numbers.
Decimal Point Repair
Put missing decimal points into exact multiplication results.
Percent Stack
Calculate successive percentage increases and discounts accurately.
Ratio Mixer
Share total quantities into correctly proportioned mixtures.
New · Fraction Games & Equivalent Fractions
Visual fraction models, exact equivalent values, ordered paths, least common denominators and equal shares.
Fraction Builder
Partition whole bars to build an exact proper or improper fraction.
Equivalent Fraction Links
Connect equal-valued fractions using cross multiplication.
Fraction Order Trail
Follow increasing fractions across neighboring number tiles.
Common Denominator Workshop
Find the LCD and rewrite each fraction exactly.
Fraction Share Out
Reserve part of a quantity and share the rest equally.
New · Number Puzzles & Estimation
Arithmetic pyramids, magic squares, linked sums, digit equations and estimation intervals.
Arithmetic Pyramid
Complete a number pyramid by adding adjacent lower blocks.
Magic Square
Arrange distinct numbers to make every row, column and diagonal sum match.
Sum Grid
Choose numbered cells to satisfy every row and column target.
Cryptarithm
Solve letter-number addition equations with unique digits and carries.
Estimation Interval
Bound an arithmetic result inside the narrowest correct interval.
New · Division & Number Skills
Five new games for number clues, remainders, base-ten trades, rounding and signed jumps.
Divisibility Detective
Find a hidden integer from number-property clues.
Remainder Race
Plan divisions to reach an exact remainder total.
Place Value Exchange
Exchange base-ten units without changing their value.
Rounding Windows
Build exact rounding intervals and midpoint boundaries.
Number Line Navigator
Reach a number-line target with limited signed jumps.
Arithmetic & Number Properties
Plan arithmetic paths, sieve primes, build factor pairs and compare common divisors and multiples.
Algebra, Fractions & Geometry
Balance equations, combine fractions, construct angles and plot coordinates.
Calculator & Arithmetic Challenges
Build expressions and practice practical number skills.
Calculator Target Game
Use four numbers and arithmetic operations to reach the target.
Make 24 Calculator Game
Use every number once, with operations and parentheses, to make 24.
Fast Calculator Game
Answer timed arithmetic questions and track your speed and accuracy.
Percentage Challenge
Practice percentage change and reverse percentages with worked answers.
Equation Builder
Arrange number and operator tiles to build a correct equation.
Missing Number Game
Work backward to find the missing value in an equation.
Money Calculator Game
Calculate shopping totals, change and simple discounts.
Calculator Game for Kids
Practice addition, subtraction and multiplication in short, friendly rounds.
Equation & Sum Grids
Complete connected equations, arithmetic cages and cross sums.
Number Properties & Arithmetic Matching
Use addition, doubling and mathematical number properties.
Today’s 5-Minute Practice
One daily puzzle, one warm-up and one short challenge. Play at your own pace.
Your last 7 days and achievements
Complete a round to start your activity calendar.
Progress stays in this browser. Finish any round in a suggested game to mark that activity complete.
Math Games by Grade and Audience
Each collection links to suitable games and preselects useful difficulty settings. Grade labels are broad practice guides because curricula vary.
What Are Calc Solver Games?
Calculator games make a mathematical task the goal of play. Build a valid expression, solve an equation, calculate a percentage, complete a sum grid or classify numbers by a real mathematical property. Points report your progress through that task. This collection focuses on calculations and math reasoning.
The 35 current games work in your browser on a phone, tablet or computer. No account is needed. Choose daily puzzles where available or a practice round at your own pace. Progress and personal records stay in the current browser when local saving is available; they do not sync across devices.
Find the Right Math Game for Your Goal
New number puzzles: Play Arithmetic Pyramid, Magic Square, Sum Grid, Cryptarithm and Estimation Interval.
Division and number skills: Deduce a hidden integer with Divisibility Detective, plan exact totals in Remainder Race, regroup Place Value Exchange, build Rounding Windows, and use signed jumps in Number Line Navigator.
Arithmetic and number properties: Plan an Operation Route, discover primes with Prime Sieve, build Factor Pair Tiles, climb the GCD Ladder, and inspect first shared alignments in LCM Gears.
Algebra, fractions and geometry: Balance linear equations in Algebra Balance, combine exact lengths in Fraction Bridge, construct missing angles in Angle Builder, plot points in Coordinate Quest, and deduce a true expression in Equation Guess.
Arithmetic and mental math: Use Fast Calculator for short rounds or the Kids Calculator Game for age-appropriate operation practice. Try an untimed setting when accuracy needs attention.
Expressions and equations: Calculator Target and Make 24 let you construct a route to a numerical target. Equation Builder uses movable expression tiles; Missing Number asks you to work backward from an equation.
Everyday calculations: Practice percent amounts and changes in Percentage Challenge, or totals and change in the Money Game. These use stated practice values.
Arithmetic grids: Math Crossword connects valid equations. Kakuro requires distinct digits in runs that match given sums. Calcudoku combines arithmetic cage targets with row and column restrictions.
Number relationships: 2048 combines equal values by addition and doubling. Number Match clears equal values or pairs totaling ten. Daily Number Groups uses properties such as primes, squares and multiples.
A daily starting point: Open the Daily Calculator Challenge for a repeatable puzzle and personal activity record. The grade and audience collections above suggest appropriate starting settings.
Keyboard and Mobile Controls
Use the visible touch controls or keyboard help provided by each game. Arithmetic answer fields accept numbers and Enter. Expression games support their stated operators, parentheses and tile controls. Grid puzzles provide selection controls suited to their mathematical rules.
Keyboard shortcuts apply to the game area, while the main search field keeps its normal typing behavior. You can switch to untimed practice where available. On a small screen, read the shown rule and use the game’s compact controls rather than relying on a separate device keyboard.
Math Practice and Worked Feedback
Use a game for a warm-up, a classroom practice activity or a short personal session. Start with accurate reasoning, then consider speed. Compare scores under the same settings and review an incorrect answer by estimating its size or checking the inverse operation.
For example, if a problem asks for 15% of 80, find 10% as 8 and 5% as 4; the total is 12. If an equation is 7 + x = 19, subtract 7 from both sides to obtain x = 12. The game’s instructions and available worked feedback explain the task rather than replacing it with an unrelated activity.
For your own exact calculation, use the Office Calculator and the specialist calculator directory. Games provide practice feedback and local personal records, rather than formal qualifications.
Guides for Building a Useful Practice Routine
Games work best when the practice has a clear purpose. Parents and teachers can use the math skills by grade guide to choose an appropriate starting point. Learners who want faster recall can follow the mental math speed routine. Adults returning to everyday arithmetic can use the 10-minute daily math practice plan.
Kids Calculator & Math Practice
Open the dedicated Kids section for a big-button calculator, addition, subtraction, multiplication, division, counting, times tables, fractions, money, time, number patterns and math games.