How do you play Round It?

Press Start to get the first number. Read whether to round to tens or hundreds. Type the rounded value and press OK. Tap the keypad, or type digits and press Enter.

Is Round It free to play?

Yes. Round It runs in the browser for nothing: no download, no account and no sign-up. Round It sits on the Numbers shelf at Mondo Knows, alongside rounding and place value games.

How long does a game of Round It take?

1 minute. It is rated medium, and tap the keypad, or type digits and press Enter. Your best score stays on your own device.

Does Round It work on a phone?

Yes. The board sizes itself to the screen, so Round It plays the same on a phone as on a desktop, and touch controls replace the mouse. Nothing needs installing.

Mondo Knows Games

Round It

The game picks a number and a target, and you round it. Below one hundred it asks for tens, above that it asks for hundreds, so the habit has to switch with the number.

Best Number GamesMedium1 minutePlays on mobile

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How to play

Press Start to get the first number.
Read whether to round to tens or hundreds.
Type the rounded value and press OK.
A wrong answer costs two seconds.

Controls

Tap the keypad, or type digits and press Enter.

More numbers games from Mondo

Fraction MatchPair each fraction with its decimal.Equation MatchMatch each sum to its answer.Block MergeSlide the tiles and merge your way to 2048.Math Blitz45 seconds of mental arithmetic.

Questions people ask

How do you play Round It?: Press Start to get the first number. Read whether to round to tens or hundreds. Type the rounded value and press OK. Tap the keypad, or type digits and press Enter.
Is Round It free to play?: Yes. Round It runs in the browser for nothing: no download, no account and no sign-up. Round It sits on the Numbers shelf at Mondo Knows, alongside rounding and place value games.
How long does a game of Round It take?: 1 minute. It is rated medium, and tap the keypad, or type digits and press Enter. Your best score stays on your own device.
Does Round It work on a phone?: Yes. The board sizes itself to the screen, so Round It 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.