🚀 Rounding Rocket
Round numbers to the nearest 10, 100 or 1000, and decimals to the nearest whole number.
How to play
Look at the digit just to the right of the place you are rounding to. If it is 5 or more, round up; if it is 4 or less, round down. Type the rounded number and press Check.
⌨️ Keyboard: press 1–4 to pick an answer, or type your answer and press Enter.
What it teaches
Rounding is used for estimating and checking calculations, and appears from Year 3 (rounding to tens) through Year 6 (rounding decimals). It also helps students judge whether a calculator answer is sensible.
Levels: Nearest 10 (Two-digit numbers) · 10 or 100 (Up to 1000) · 100, 1000 or whole (Including decimals)
Free to play, with no sign-up and no ads beside the game. Best scores are saved only in this browser. All artwork and sounds are made in code by makekite.