A number-boulder rests between two camps — read the deciding digit and send it to the nearer one.
A number rests between the two round camps that bracket it, and the child reads the deciding digit — 0 to 4 stays, 5 to 9 climbs — to round it to the nearest ten, hundred, or thousand. Best for Grades 3–5.
A free, no-signup, no-ads math game for Grades 3–5 — practising rounding, rounding-rules, deciding-digit, round-half-up, place-value. Play in your browser on the KidsDoMath games hub or explore more Arithmetic games.
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What math does Rounding Ridge practice? Rounding Ridge practices Rounding & Estimation, Rounding Rules, Deciding Digit, Round Half Up. A number rests between the two round camps that bracket it, and the child reads the deciding digit — 0 to 4 stays, 5 to 9 climbs — to round it to the nearest ten, hundred, or thousand.
What grade is Rounding Ridge for? Rounding Ridge is built for Grades 3–5 (ages 8–11). It sits in the Arithmetic strand, and it ramps across 8 levels so younger or older players find their own pace.
How do you play Rounding Ridge? A number-boulder rests between two camps — read the deciding digit and send it to the nearer one.
Is Rounding Ridge free to play? Yes. Rounding Ridge is free, with no ads and no sign-up, and it runs in the browser on a phone, tablet or computer.