Number puzzle · calculator operations · keyboard play

Calculator Target Game

Play a free calculator target game online. Use four numbers and +, −, × or ÷ to reach the target, build mental math skill, and play with keyboard or touch.

⌨ Keyboard + numpad◎ Solvable targets↶ Undo moves3 difficulty levels

Reach the target

Use every displayed number exactly once. Build the calculation step by step until your running result matches the target.

🔒 Runs locally in your browser
Target
Moves0
Score0
Streak0
Current result
Choose a number

0–9+ − * /EnterBackspaceN
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How the Calculator Target Game Works

The calculator target game turns arithmetic into a compact number puzzle. A target appears together with four number buttons. Choose one number, select an operation, choose the next number, and continue until all four numbers have been used. The running result is calculated after each move, so you can see immediately whether your plan is moving toward the target. Every generated puzzle is built from a valid route, which means there is at least one way to reach the displayed target using the available numbers.

Why This Game Is Useful

Target-number puzzles encourage flexible mental math rather than memorizing one fixed procedure. A player may notice that multiplication creates a useful intermediate value, subtraction can correct an overshoot, or division can simplify a hard target. Easy mode focuses on addition and subtraction, Medium introduces multiplication, and Hard can include exact whole-number division. Because the game shows a running result and supports Undo, it is suitable for short practice sessions without requiring paper.

Keyboard and Numpad Play

On a desktop or laptop, press a displayed digit to select that number, then use +, -, * or / for the operation. Enter checks the final result, Backspace undoes the latest move, and N creates a new target. The same game also works by touch with large number and operation buttons. Keyboard shortcuts are ignored while a form field is being edited, so the page does not interfere with normal browser typing.

Tips for Reaching the Target

Start by looking for multiplication or addition combinations that get close to the target. If the target is small, subtraction may be more useful than multiplication. In Hard mode, look for pairs that divide evenly before using ÷. You must use all four displayed numbers exactly once, so a route that reaches the target too early may still need to be adjusted. The Hint button reveals one valid route when you are stuck, but solving without a hint gives a better score.

Frequently Asked Questions

Are all target puzzles solvable?

Yes. Each target is generated from a valid sequence using the four displayed numbers.

Do I have to use all four numbers?

Yes. The game requires every displayed number to be used exactly once.

Can I play with the keyboard?

Yes. Number keys, arithmetic operator keys, Enter and Backspace are supported.