Mondo Knows Games
Target Sum
The keyboard is a number pad, not four options, so you have to produce the answer rather than recognise it. Sixty seconds, two-second penalties, and no partial credit.
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How to play
- Press Start to get the first sum.
- Type the answer on the keypad.
- Press OK to submit.
- A wrong answer costs two seconds and clears the pad.
Controls
Tap the keypad, or type digits and press Enter. Backspace deletes.
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Questions people ask
- How do you play Target Sum?
- Press Start to get the first sum. Type the answer on the keypad. Press OK to submit. Tap the keypad, or type digits and press Enter. Backspace deletes.
- Is Target Sum free to play?
- Yes. Target Sum runs in the browser for nothing: no download, no account and no sign-up. Target Sum sits on the Numbers shelf at Mondo Knows, alongside addition and mental maths games.
- How long does a game of Target Sum take?
- 1 minute. It is rated easy, and tap the keypad, or type digits and press Enter. Backspace deletes. Your best score stays on your own device.
- Does Target Sum work on a phone?
- Yes. The board sizes itself to the screen, so Target Sum plays the same on a phone as on a desktop, and touch controls replace the mouse. Nothing needs installing.
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Everything runs in your browser. Scores and bests are stored on your own device, not on a server.